Copy of Atoms and Isotopes (5/28/2026)

Last updated about 3 hours ago

20 questions

1

Library

Copy of Atoms and Isotopes (5/28/2026)

Last updated about 3 hours ago

20 questions

Please open the Periodic Table linked below and use it throughout class today.

https://sciencenotes.org/wp-content/uploads/2017/02/KidsPeriodicTable2017.pdf

Do now: Complete questions 1-4 below.

1

Draggable item		Corresponding Item

1

Classwork: Complete questions 5-20 below. We will discuss certain questions in class to ensure your understanding.

1

Complete the exit ticket at the link here:  https://forms.gle/aDqsv9dabw8G7Fno8

Please open the Periodic Table linked below and use it throughout class today.

https://sciencenotes.org/wp-content/uploads/2017/02/KidsPeriodicTable2017.pdf

Do now: Complete questions 1-4 below.

Which subatomic particle determines the identity of an atom?

Proton

Neutron

Electron

Match each of the terms below with the correct description.

Draggable item		Corresponding Item
Atomic mass		The number of protons in an atom
Neutron		The number of protons and neutrons in an atom
Electron		Positively-charged particle in the nucleus; has a mass of 1 amu.
Proton		Particle in the nucleus with no charge; has a mass of 1 amu.
Atomic number		Negatively-charged particle outside the nucleus; has a mass of 0 amu.

Which of the following statements best describes the principle of attraction used in Thomson's cathode ray experiment?

Particles with opposite charges attract

Particles with the same charges attract

Particles always attract to each other

Particles never attract to each other

The Periodic Table Square of Aluminum is shown below.

Which of the following best describes the number of protons, neutrons and electrons present in an aluminum atom?

13 protons, 14 neutrons, 13 electrons

14 protons, 13 neutrons, 13 electrons

14 protons, 13 neutrons, 14 electrons

27 protons, 13 neutrons, 27 electrons

13 protons, 13 neutrons, 13 electrons.

13 protons, 27 neutrons, 13 electrons

Classwork: Complete questions 5-20 below. We will discuss certain questions in class to ensure your understanding.

Identify the following element:

Oxygen (O)

Hydrogen (H)

Carbon (C)

Nitrogen (N)

Identify the following element:

Nitrogen (N)

Hydrogen (H)

Beryllium (Be)

Nickel (Ni)

Identify the following element:

Oxygen (O)

Nickel (Ni)

Magnesium (Mg)

Potassium (K)

Silicon (Si)
Fluorine (F)
Magnesium
Chlorine

Select all which are true

Isotopes are _____________.

Atoms of different elements 

Compounds 

Atoms that have a charge 

Atoms of the same element but with different mass 

How do we calculate the mass number (atomic mass) of an isotope?

Subtract Electron - Neutrons

Subtract Neutron - Protons

Add Protons + Neutrons

Add Electrons + Protons

Select all which are true about atoms 1 and 2 below.

Select all true for Carbon -15

Select all true for Nitrogen -14

Select all true for Chromium -32

Select all true statements

Select all which are true

Complete the exit ticket at the link here:  https://forms.gle/aDqsv9dabw8G7Fno8

Which subatomic particle determines the identity of an atom?

Proton

Neutron

Electron

Match each of the terms below with the correct description.

Atomic mass

The number of protons in an atom

Neutron

The number of protons and neutrons in an atom

Electron

Positively-charged particle in the nucleus; has a mass of 1 amu.

Proton

Particle in the nucleus with no charge; has a mass of 1 amu.

Atomic number

Negatively-charged particle outside the nucleus; has a mass of 0 amu.

Which of the following statements best describes the principle of attraction used in Thomson's cathode ray experiment?

Particles with opposite charges attract

Particles with the same charges attract

Particles always attract to each other

Particles never attract to each other

The Periodic Table Square of Aluminum is shown below.

Which of the following best describes the number of protons, neutrons and electrons present in an aluminum atom?

13 protons, 14 neutrons, 13 electrons

14 protons, 13 neutrons, 13 electrons

14 protons, 13 neutrons, 14 electrons

27 protons, 13 neutrons, 27 electrons

13 protons, 13 neutrons, 13 electrons.

13 protons, 27 neutrons, 13 electrons

Identify the following element:

Oxygen (O)

Hydrogen (H)

Carbon (C)

Nitrogen (N)

Identify the following element:

Nitrogen (N)

Hydrogen (H)

Beryllium (Be)

Nickel (Ni)

Identify the following element:

Oxygen (O)

Nickel (Ni)

Magnesium (Mg)

Potassium (K)

Silicon (Si)

Fluorine (F)

Magnesium

Chlorine

Select all which are true 

The atom has 9 Neutrons

The atom is Ne 

The atom has 10 Neutrons

The atom has 10 Protons

The atom has 5 Protons 

Isotopes are _____________. 

Atoms of different elements 

Compounds 

Atoms that have a charge 

Atoms of the same element but with different mass 

How do we calculate the mass number (atomic mass) of an isotope?

Subtract Electron - Neutrons

Subtract Neutron - Protons

Add Protons + Neutrons

Add Electrons + Protons

Select all which are true about atoms 1 and 2 below.

Both atoms have 6 Protons 

Both atoms are isotopes of Carbon 

Atom 1 has 6 Neutrons and Atom 2 has 8 Neutrons 

Both atoms are identical 

Atom 1 is Carbon-12   

Atom 2 is Carbon- 12

Atom 1 has 6 Protons and Atom 2 has 8 Protons 

Atom 1 is Carbon-14

Atom 2 is Carbon- 14

Atom 1 is Carbon and Atom 2 is Oxygen 

Select all true for Carbon -15

It has 9 Neutrons

It has 15 Protons 

Its mass number is 15 

It has 6 Protons 

It has 5 Neutrons

Select all true for Nitrogen -14

Its mass number is 14 

Its mass number is 7

It has 7 Neutrons

It has 8 Neutrons

It has 14 Protons 

It has 7 Protons 

Select all true for Chromium -32

It has 24 Protons 

Its mass number is 32

It has 8 Neutrons

It has 7 Neutrons

It has 52 Protons 

Its mass number is 52

Select all true statements

The mass number is 6

The atom has 4 Neutrons

The atom is Lithium (Li)

Lithium - 6

The atom has 6 Electrons

The atom has 3 Protons 

The atom has 3 Neutrons

The atom has 6 Protons

Lithium -3

The atom has 3 Electrons 

Select all which are true 

The atom is liquid at room temperature 

The atom has 80 Protons 

The atom has 80 Neutrons 

The atoms has 120 Protons

The mass number is 280

The mass number is 200

The atom has 120 Neutrons

Select all which are true 

The mass number is 327

The atom is radioactive 

The atoms has 235 Protons

The mass number is 235

The atom has 92 Neutrons 

The atom has 92 Protons 

The atom has 143 Neutrons

Select all which are true

The atoms has 65 Protons

The atom has 36 Neutrons

The atom has 29 Protons 

The mass number is 94

The atom has 29 Neutrons 

The mass number is 65

Select all which are true

The mass number is 112

The mass number is 160

The atom has 48 Protons 

The atom has 64 Neutrons

The atoms has 112 Protons

The atom has 48 Neutrons 

Copy of Atoms and Isotopes (5/28/2026)

Copy of Atoms and Isotopes (5/28/2026)

Which subatomic particle determines the identity of an atom?

Match each of the terms below with the correct description.

Which of the following statements best describes the principle of attraction used in Thomson's cathode ray experiment?

The Periodic Table Square of Aluminum is shown below.Which of the following best describes the number of protons, neutrons and electrons present in an aluminum atom?

Identify the following element:

Identify the following element:

Identify the following element:

Select all which are true

Isotopes are _____________.

How do we calculate the mass number (atomic mass) of an isotope?

Select all which are true about atoms 1 and 2 below.

Select all true for Carbon -15

Select all true for Nitrogen -14

Select all true for Chromium -32

Select all true statements

Select all which are true

Select all which are true

Select all which are true

Select all which are true

The Periodic Table Square of Aluminum is shown below.

Which of the following best describes the number of protons, neutrons and electrons present in an aluminum atom?