Unit 3 Electron Configuration & Periodic Trends Formative 2025

Last updated 2 days ago

60 questions

1

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Unit 3 Electron Configuration & Periodic Trends Formative 2025

Last updated 2 days ago

60 questions

1

Draggable item		Corresponding Item

1

Draggable item		Corresponding Item

1

Draggable item		Corresponding Item

1

Draggable item		Corresponding Item

1

Which of the following has the larger atomic radius?

phosphorus or antimony

1

Which of the following has the larger atomic radius?

zinc or titanium

1

Which of the following has the larger atomic radius?

strontium or magnesium

1

Which of the following has the larger atomic radius?

manganese or germanium

1

Which of the following has the larger atomic radius?

boron or fluorine

1

Which of the following has the lower ionization energy?

platinum or nickel

1

Which of the following has the lower ionization energy?

potassium or selenium

1

Which of the following has the lower ionization energy?

calcium or cobalt

1

Which of the following has the lower ionization energy?

silicon or tin

1

Which of the following has the lower ionization energy?

fluorine or iodine

1

Which of the following has the lower electronegativity?

francium or potassium

1

Which of the following has the lower electronegativity?

cadmium or tellurium

1

Which of the following has the lower electronegativity?

arsenic or nitrogen

1

Which of the following has the lower electronegativity?

chlorine or aluminum

1

Which of the following has the lower electronegativity?

calcium or bromine

1

Which of the following has the smaller atomic radius?

fluorine atom or fluorine ion

1

Which of the following has the smaller atomic radius?

H or H+

1

Which of the following has the smaller atomic radius?

O or O-2

1

Which of the following has the smaller atomic radius?

magnesium ion or magnesium atom

1

Which of the following has the smaller atomic radius?

sulfur ion or sulfur atom

1

Draggable item		Corresponding Item

1

Draggable item		Corresponding Item

1

Draggable item		Corresponding Item

1

Draggable item		Corresponding Item

1

Which element has the following electron configuration

[Kr]5s24d10

1

Which element has the following electron configuration

1s22s22p63s23p4

1

Write the electron configuration for the following: NO SPACES

Iodine

1

Write the electron configuration for the following: NO SPACES

Tungsten

1

Write the electron configuration for the following: NO SPACES

Silicon

1

Write the noble gas notation for Chlorine. NO SPACES

1

What is the principle quantum number of the last drawn electron of chlorine?

1

What is the aziumuthal quantum number of the last drawn electron of chlorine?

1

What is the spin quantum number of the last drawn electron of chlorine?

1

How many unpaired electrons does sulfur have?

1

What is the noble gas notation of sodium? NO SPACES

1

What is the principle quantum number of the last drawn electron of sodium?

1

What is the azimuthal quantum number of the last drawn electron of sodium?

1

What is the spin quantum number of the last drawn electron of sodium?

1

How many unpaired electrons does sodium have?

1

What is the noble gas notation for oxygen? NO SPACES

1

What is the principle quantum number of the last drawn electron of oxygen?

1

What is the azimuthal quantum number of the last drawn electron of oxygen?

1

What is the spin quantum number of the last drawn electron of oxygen?

1

How many unpaired electrons does oxygen have?

Match the following vocabulary to the correct definition.

Draggable item		Corresponding Item
Cation		Group you would find Rutherfordium
4		Number of electrons a full p orbital hold
Ionization Energy		Number of valence electrons the ground state of chlorine
Alkaline Earth Metals		The name of the quantum number that indicates the sublevel of electrons
Magnetic		The quantum number that represents the direction in which the electrons are traveling with either up and down arrows: +1/2, -1/2
Ionic		The name of the quantum number that indicates the orientation of an orbital around the nucleus
Noble Gas		The name of the quantum number that indicates the size of the atom
6		Group of elements that are considered to be electronically perfect
Azimuthal		Bond that forms between anions and cations as a result of the transfer of valence electrons
Atomic Radius		the name of the group that has 2 valence electrons and is found in compounds in nature
Principle		The name of the group of elements that has 1 valence electron, from very strong bases, and explode in water
d		Bond that forms by the sharing of electrons between two nonmetals
Alkali Metals		Electrons are found in the last main level of an atom
Electronegativity		Group where you would find radon
7		Ion that tungston will form
Covalent		Block you would find fluorine
18		Block you would find iridium
Valence		One-half the distance between nuclei of identical atoms that are bonded together
p		The energy required to remove the valence electrons from an atom
Spin		The measure of the ability of an atom in a chemical compound to attract electrons.

Match the scientist to their correct contribution to the quantum theory

Draggable item		Corresponding Item
Bohr		Published the first periodic table
Louis De Broglie		Said that it is not possible to know both the location and the speed of an electron at the same time.
Max Planck		He said that electrons act like waves with certain frequencies. He studied the photoelectric effect
Erwin Schrodinger		His works lead to the Periodic Law, which states that the physical and chemical properties of the elements are periodic functions of their atomic numbers
Hund		Said that electrons have both wave and particle nature
Dmitri Mendeleev		Suggested that hot objects emit energy in small, specific amounts called Quanta
Heisenberg		He stated that electromagnetic radiation had wavelike properties, that particles "stream," and each particle of light carries a quantum of energy
Albert Einstein		Said that electrons remain unpaired as long as possible
Henry Moseley		Said that electrons travel around the nucleus like planets orbiting the sun

Which of the following has 4 valence electrons?

Which of the following has 2 valence electrons?

Which of the following is an transition metal?

Which of the following has 6 valence electrons?

Which of the following is a halogen?

Which of the following is a alkaline earth metal?

Which of the following is an alkali metal?

Which of the following is an "d" block element?

Which of the following is a "s" block element

Which of the following is a halogen?

Categorize the following elements into the type of ion each would form.

oxygen
carbon
nitrogen
lithium
sulfur
chromium
iodine
silver
tin
sodium
nickel
calcium

Cation
Anion

Categorize the following pairs into the type of bond they would have

phosphorus & iodine
zinc & selenium
lead & sulfur
carbon & oxygen
calcium & nitrogen
potassium & bromine
aluminum & oxygen
iodine & chlorine

Ionic
Covalent

Match the number of energy levels required to draw each of the following elements.

Draggable item		Corresponding Item
2		hydrogen
5		carbon
4		tin
3		barium
1		phosphorus
6		calcium

Match the following elements to their corresponding number of valence electons.

Draggable item		Corresponding Item
5		potassium
4		helium
8		aluminum
3		silicon
2		nitrogen
1		krypton

Which of the following has the larger atomic radius?

phosphorus or antimony

Which of the following has the larger atomic radius?

zinc or titanium

Which of the following has the larger atomic radius?

strontium or magnesium

Which of the following has the larger atomic radius?

manganese or germanium

Which of the following has the larger atomic radius?

boron or fluorine

Which of the following has the lower ionization energy?

platinum or nickel

Which of the following has the lower ionization energy?

potassium or selenium

Which of the following has the lower ionization energy?

calcium or cobalt

Which of the following has the lower ionization energy?

silicon or tin

Which of the following has the lower ionization energy?

fluorine or iodine

Which of the following has the lower electronegativity?

francium or potassium

Which of the following has the lower electronegativity?

cadmium or tellurium

Which of the following has the lower electronegativity?

arsenic or nitrogen

Which of the following has the lower electronegativity?

chlorine or aluminum

Which of the following has the lower electronegativity?

calcium or bromine

Which of the following has the smaller atomic radius?

fluorine atom or fluorine ion

Which of the following has the smaller atomic radius?

H or H+

Which of the following has the smaller atomic radius?

O or O-2

Which of the following has the smaller atomic radius?

magnesium ion or magnesium atom

Which of the following has the smaller atomic radius?

sulfur ion or sulfur atom

Match the following to their corresponding number of electrons found in that energy level.

Draggable item		Corresponding Item
3		2 electrons
4		8 electrons
2		18 electrons
1		32 electrons

Match the following sublevels to their corresponding number of orbitals.

Draggable item		Corresponding Item
f		1 orbital
d		3 orbitals
s		5 orbitals
p		7 orbitals

Match the following sublevels to their corresponding number of electrons when they are full.

Draggable item		Corresponding Item
p		2
f		6

Draggable item		Corresponding Item

Which element has the following electron configuration

[Kr]5s24d10

Which element has the following electron configuration

1s22s22p63s23p4

Write the electron configuration for the following: NO SPACES

Iodine

Write the electron configuration for the following: NO SPACES

Tungsten

Write the electron configuration for the following: NO SPACES

Silicon

Write the noble gas notation for Chlorine. NO SPACES

What is the principle quantum number of the last drawn electron of chlorine?

What is the aziumuthal quantum number of the last drawn electron of chlorine?

What is the spin quantum number of the last drawn electron of chlorine?

How many unpaired electrons does sulfur have?

What is the noble gas notation of sodium? NO SPACES

What is the principle quantum number of the last drawn electron of sodium?

What is the azimuthal quantum number of the last drawn electron of sodium?

What is the spin quantum number of the last drawn electron of sodium?

How many unpaired electrons does sodium have?

What is the noble gas notation for oxygen? NO SPACES

What is the principle quantum number of the last drawn electron of oxygen?

What is the azimuthal quantum number of the last drawn electron of oxygen?

What is the spin quantum number of the last drawn electron of oxygen?

How many unpaired electrons does oxygen have?

Match the following vocabulary to the correct definition.

Cation

Group you would find Rutherfordium

4

Number of electrons a full p orbital hold

Ionization Energy

Number of valence electrons the ground state of chlorine 

Alkaline Earth Metals

The name of the quantum number that indicates the sublevel of electrons

Magnetic

The quantum number that represents the direction in which the electrons are traveling with either up and down arrows: +1/2, -1/2

Ionic

The name of the quantum number that indicates the orientation of an orbital around the nucleus

Noble Gas

The name of the quantum number that indicates the size of the atom

6

Group of elements that are considered to be electronically perfect

Azimuthal

Bond that forms between anions and cations as a result of the transfer of valence electrons

Atomic Radius

the name of the group that has 2 valence electrons and is found in compounds in nature

Principle

The name of the group of elements that has 1 valence electron, from very strong bases, and explode in water

d

Bond that forms by the sharing of electrons between two nonmetals

Alkali Metals

Electrons are found in the last main level of an atom

Electronegativity

Group where you would find radon

7

Ion that tungston will form

Covalent

Block you would find fluorine

18

Block you would find iridium

Valence

One-half the distance between nuclei of identical atoms that are bonded together

p

The energy required to remove the valence electrons from an atom

Spin

The measure of the ability of an atom in a chemical compound to attract electrons.

Match the scientist to their correct contribution to the quantum theory

Bohr

Published the first periodic table

Louis De Broglie

Said that it is not possible to know both the location and the speed of an electron at the same time.

Max Planck

He said that electrons act like waves with certain frequencies. He studied the photoelectric effect

Erwin Schrodinger

His works lead to the Periodic Law, which states that the physical and chemical properties of the elements are periodic functions of their atomic numbers

Hund

Said that electrons have both wave and particle nature

Dmitri Mendeleev

Suggested that hot objects emit energy in small, specific amounts called Quanta

Heisenberg

He stated that electromagnetic radiation had wavelike properties, that particles "stream," and each particle of light carries a quantum of energy

Albert Einstein

Said that electrons remain unpaired as long as possible

Henry Moseley

Said that electrons travel around the nucleus like planets orbiting the sun

Which of the following has 4 valence electrons?

carbon

oxygen

helium

hydrogen

nitrogen

Which of the following has 2 valence electrons?

helium

hydrogen

carbon

oxygen

nitrogen

Which of the following is an transition metal?

chlorine

astatine

lithium

helium

copper

Which of the following has 6 valence electrons?

fluorine

potassium

helium

oxygen

nitrogen

Which of the following is a halogen?

nitrogen

bromine

helium

carbon

sodium

Which of the following is a alkaline earth metal?

argon

magnesium

sodium

chlorine

zinc

Which of the following is an alkali metal?

sodium

chlorine

magnesium

argon

arsenic

Which of the following is an "d" block element?

chlorine

titanium

lithium

arsenic

gallium

Which of the following is a "s" block element

arsenic

chlorine

gallium

lithium

titanium

Which of the following is a halogen?

arsenic

barium

chlorine

argon

iron

Categorize the following elements into the type of ion each would form.

oxygen

carbon

nitrogen

lithium

sulfur

chromium

iodine

silver

tin

sodium

nickel

calcium

Cation

Anion

Categorize the following pairs into the type of bond they would have

phosphorus & iodine

zinc & selenium

lead & sulfur

carbon & oxygen

calcium & nitrogen

potassium & bromine

aluminum & oxygen

iodine & chlorine

Ionic

Covalent

Match the number of energy levels required to draw each of the following elements.

2

hydrogen

5

carbon

4

tin

3

barium

1

phosphorus

6

calcium

Match the following elements to their corresponding number of valence electons.

5

potassium

4

helium

8

aluminum

3

silicon

2

nitrogen

1

krypton

Match the following to their corresponding number of electrons found in that energy level.

3

2 electrons

4

8 electrons

2

18 electrons

1

32 electrons

Match the following sublevels to their corresponding number of orbitals.

f

1 orbital

d

3 orbitals

s

5 orbitals

p

7 orbitals

Match the following sublevels to their corresponding number of electrons when they are full.

p

2

f

6

s

10

d

14

Match the following elements to their corresponding number of unpaired electrons.

boron

3

chromium

1

lead

0

bismuth

2

mercury

4

Unit 3 Electron Configuration & Periodic Trends Formative 2025

Unit 3 Electron Configuration & Periodic Trends Formative 2025

Which of the following has the larger atomic radius?phosphorus or antimony

Which of the following has the larger atomic radius?zinc or titanium

Which of the following has the larger atomic radius?strontium or magnesium

Which of the following has the larger atomic radius?manganese or germanium

Which of the following has the larger atomic radius?boron or fluorine

Which of the following has the lower ionization energy?platinum or nickel

Which of the following has the lower ionization energy?potassium or selenium

Which of the following has the lower ionization energy?calcium or cobalt

Which of the following has the lower ionization energy?silicon or tin

Which of the following has the lower ionization energy?fluorine or iodine

Which of the following has the lower electronegativity?francium or potassium

Which of the following has the lower electronegativity?cadmium or tellurium

Which of the following has the lower electronegativity?arsenic or nitrogen

Which of the following has the lower electronegativity?chlorine or aluminum

Which of the following has the lower electronegativity?calcium or bromine

Which of the following has the smaller atomic radius?fluorine atom or fluorine ion

Which of the following has the smaller atomic radius?H or H+

Which of the following has the smaller atomic radius?O or O-2

Which of the following has the smaller atomic radius?magnesium ion or magnesium atom

Which of the following has the smaller atomic radius?sulfur ion or sulfur atom

Which element has the following electron configuration[Kr]5s24d10

Which element has the following electron configuration1s22s22p63s23p4

Write the electron configuration for the following: NO SPACESIodine

Write the electron configuration for the following: NO SPACESTungsten

Write the electron configuration for the following: NO SPACESSilicon

Write the noble gas notation for Chlorine. NO SPACES

What is the principle quantum number of the last drawn electron of chlorine?

What is the aziumuthal quantum number of the last drawn electron of chlorine?

What is the spin quantum number of the last drawn electron of chlorine?

How many unpaired electrons does sulfur have?

What is the noble gas notation of sodium? NO SPACES

What is the principle quantum number of the last drawn electron of sodium?

What is the azimuthal quantum number of the last drawn electron of sodium?

What is the spin quantum number of the last drawn electron of sodium?

How many unpaired electrons does sodium have?

What is the noble gas notation for oxygen? NO SPACES

What is the principle quantum number of the last drawn electron of oxygen?

What is the azimuthal quantum number of the last drawn electron of oxygen?

What is the spin quantum number of the last drawn electron of oxygen?

How many unpaired electrons does oxygen have?

Match the following vocabulary to the correct definition.

Match the scientist to their correct contribution to the quantum theory

Which of the following has 4 valence electrons?

Which of the following has 2 valence electrons?

Which of the following is an transition metal?

Which of the following has 6 valence electrons?

Which of the following is a halogen?

Which of the following is a alkaline earth metal?

Which of the following is an alkali metal?

Which of the following is an "d" block element?

Which of the following is a "s" block element

Which of the following is a halogen?

Categorize the following elements into the type of ion each would form.

Categorize the following pairs into the type of bond they would have

Match the number of energy levels required to draw each of the following elements.

Match the following elements to their corresponding number of valence electons.

Which of the following has the larger atomic radius?phosphorus or antimony

Which of the following has the larger atomic radius?zinc or titanium

Which of the following has the larger atomic radius?strontium or magnesium

Which of the following has the larger atomic radius?manganese or germanium

Which of the following has the larger atomic radius?boron or fluorine

Which of the following has the lower ionization energy?platinum or nickel

Which of the following has the lower ionization energy?potassium or selenium

Which of the following has the lower ionization energy?calcium or cobalt

Which of the following has the lower ionization energy?silicon or tin

Which of the following has the lower ionization energy?fluorine or iodine

Which of the following has the lower electronegativity?francium or potassium

Which of the following has the lower electronegativity?cadmium or tellurium

Which of the following has the lower electronegativity?arsenic or nitrogen

Which of the following has the lower electronegativity?chlorine or aluminum

Which of the following has the lower electronegativity?calcium or bromine

Which of the following has the smaller atomic radius?fluorine atom or fluorine ion

Which of the following has the smaller atomic radius?H or H+

Which of the following has the smaller atomic radius?O or O-2

Which of the following has the smaller atomic radius?magnesium ion or magnesium atom

Which of the following has the smaller atomic radius?sulfur ion or sulfur atom

Match the following to their corresponding number of electrons found in that energy level.

Match the following sublevels to their corresponding number of orbitals.

Which of the following has the larger atomic radius?

phosphorus or antimony

Which of the following has the larger atomic radius?

zinc or titanium

Which of the following has the larger atomic radius?

strontium or magnesium

Which of the following has the larger atomic radius?

manganese or germanium

Which of the following has the larger atomic radius?

boron or fluorine

Which of the following has the lower ionization energy?

platinum or nickel

Which of the following has the lower ionization energy?

potassium or selenium

Which of the following has the lower ionization energy?

calcium or cobalt

Which of the following has the lower ionization energy?

silicon or tin

Which of the following has the lower ionization energy?

fluorine or iodine

Which of the following has the lower electronegativity?

francium or potassium

Which of the following has the lower electronegativity?

cadmium or tellurium

Which of the following has the lower electronegativity?

arsenic or nitrogen

Which of the following has the lower electronegativity?

chlorine or aluminum

Which of the following has the lower electronegativity?

calcium or bromine

Which of the following has the smaller atomic radius?

fluorine atom or fluorine ion

Which of the following has the smaller atomic radius?

H or H+

Which of the following has the smaller atomic radius?

O or O-2

Which of the following has the smaller atomic radius?

magnesium ion or magnesium atom

Which of the following has the smaller atomic radius?

sulfur ion or sulfur atom

Which element has the following electron configuration

[Kr]5s24d10

Which element has the following electron configuration

1s22s22p63s23p4

Write the electron configuration for the following: NO SPACES

Iodine

Write the electron configuration for the following: NO SPACES

Tungsten

Write the electron configuration for the following: NO SPACES

Silicon

Which of the following has the larger atomic radius?

phosphorus or antimony

Which of the following has the larger atomic radius?

zinc or titanium

Which of the following has the larger atomic radius?

strontium or magnesium

Which of the following has the larger atomic radius?

manganese or germanium

Which of the following has the larger atomic radius?

boron or fluorine

Which of the following has the lower ionization energy?

platinum or nickel

Which of the following has the lower ionization energy?

potassium or selenium

Which of the following has the lower ionization energy?

calcium or cobalt

Which of the following has the lower ionization energy?

silicon or tin

Which of the following has the lower ionization energy?

fluorine or iodine

Which of the following has the lower electronegativity?

francium or potassium

Which of the following has the lower electronegativity?

cadmium or tellurium

Which of the following has the lower electronegativity?

arsenic or nitrogen

Which of the following has the lower electronegativity?

chlorine or aluminum

Which of the following has the lower electronegativity?

calcium or bromine

Which of the following has the smaller atomic radius?

fluorine atom or fluorine ion

Which of the following has the smaller atomic radius?

H or H+

Which of the following has the smaller atomic radius?

O or O-2

Which of the following has the smaller atomic radius?

magnesium ion or magnesium atom

Which of the following has the smaller atomic radius?

sulfur ion or sulfur atom

Which element has the following electron configuration

[Kr]5s24d10

Which element has the following electron configuration

1s22s22p63s23p4

Write the electron configuration for the following: NO SPACES

Iodine

Write the electron configuration for the following: NO SPACES

Tungsten

Write the electron configuration for the following: NO SPACES

Silicon