{{asɛmtiNe Ɔkyerɛwfo}} | Nhomakorabea | Nneɛma a ɛma wotumi yɛ ade

1

In the Periodic Table, the vertical columns that extend up and down the Periodic Table are called

periods

groups

classes

SCI.8.5c

1

Label the following diagram

Electrons
Neutrons
Protons
Nucleus
Electron cloud
Valence electrons

A
B
C
D
black arrow
E

1

Match different parts of the atom with the correct discription

amost no mass of 1/8000 amu
Neutral charge /No charge.
Negative charge
positive charge
located in the electrons cloud
Located in the Nucleus
Large mass of 1 amu
Large mass of 1 amu
Located inside the nucleus

Protons
Neutrons
Electrons

1

Which of these best describes one of the subatomic particles that could be found at location y in the model of an atom shown above?

It has mass but no charge.

b. It has no mass and a Negative charge.

c. It has a large mass and a negative charge.

d. It has no mass and an equal number of positive and negative charges.

1

atomic number for an atom of lithum

1

protons

1

mass number

1

atomic number

1

protons

1

electrons

1

5. Which element has an atomic number of 35 ?

Nitrogen

Bromine

Niobium

Neodymium

1

Which subatomic particle(s) are found in the nucleus?

beta particles

electrons

neutrons

protons

1

Which two subatomic particle(s) are the same size?

beta particles

electrons

neutrons

protons

1

The atomic mass of an element tells the total number of subatomic particles found inside the nucleus of that atom, therefore it tells the total number of + inside that atom.

protons, electrons

neutrons, protons

electrons, neutrons

SCI.6.6a

1

which model represent the correct model of Lithium

model W

Model Y

Model X

Model Z

1

Select everything true about Aluminium.

1. an atom of Aluminum Al has 13 protons and 13 electrons________

2. an atom of Aluminum Al has a mass number of 26

an atom of Aluminum Al has an equal number of protons and neutrons

atom of Aluminum has 13 Neutrons

an atom has a mass number made up of protons and neutrons

1

As you are moving down the groups ehat number stays the same?

protons

valence electrons

Energy shells

electrons

1

As you are moving across periods which number increases ? select more than one answer

1

As you are moving across a period which number stays the same ?

1

which element is represented by atom A

1

which element is represented by atom B?

1

which element is represented by atom C?

1

color metalloids green in the periodic table

1

color non-metals green in the periodic table

1

color metals yellow in the periodic table

1

color the most reactive metal group yellow and the most reactive nonmetal group green.

1

color the least reactive group red

1

Rank the folowing elemets as Metals, Nonmetals or Metalloids.

Gernamium (Ge)
Sodium (Na)
Chlorine (Cl)
Oxygen (O)
Boron (B)
Iron (Fe)

Metals
Nonmetals
Metalloids

5

What makes Noble Gases unique?

A - They are highly reactive

B - They are the least reactive elements

C- The outer shell of valence electrons is "full"

SCI.8.5c

Review Day 1: Science

Review Day 1: Science

In the Periodic Table, the vertical columns that extend up and down the Periodic Table are called

Label the following diagram

Match different parts of the atom with the correct discription

Match different parts of the atom with the correct discription

Which of these best describes one of the subatomic particles that could be found at location y in the model of an atom shown above?

atomic number for an atom of lithum

protons

mass number

atomic number

protons

electrons

5. Which element has an atomic number of 35 ?

Which subatomic particle(s) are found in the nucleus?

Which two subatomic particle(s) are the same size?

The atomic mass of an element tells the total number of subatomic particles found inside the nucleus of that atom, therefore it tells the total number of ____ + ____ inside that atom.

which model represent the correct model of Lithium

Select everything true about Aluminium.

As you are moving down the groups ehat number stays the same?

As you are moving across periods which number increases ? select more than one answer

As you are moving across a period which number stays the same ?

which element is represented by atom A

which element is represented by atom B?

which element is represented by atom C?

color metalloids green in the periodic table

color non-metals green in the periodic table

color metals yellow in the periodic table

color the most reactive metal group yellow and the most reactive nonmetal group green.

color the least reactive group red

Rank the folowing elemets as Metals, Nonmetals or Metalloids.

What makes Noble Gases unique?

In the Periodic Table, the vertical columns that extend up and down the Periodic Table are called

Label the following diagram

Match different parts of the atom with the correct discription

Match different parts of the atom with the correct discription

Which of these best describes one of the subatomic particles that could be found at location y in the model of an atom shown above?

atomic number for an atom of lithum

protons

mass number

neutrons

electrons

atomic number

protons

electrons

Mass number

Neutrons

5. Which element has an atomic number of 35 ?

Which subatomic particle(s) are found in the nucleus?

Which two subatomic particle(s) are the same size?

The atomic mass of an element tells the total number of subatomic particles found inside the nucleus of that atom, therefore it tells the total number of ____ + ____ inside that atom.

which model represent the correct model of Lithium

Select everything true about Aluminium.

As you are moving down the groups ehat number stays the same?

As you are moving across periods which number increases ? select more than one answer

As you are moving across a period which number stays the same ?

which element is represented by atom A

which element is represented by atom B?

which element is represented by atom C?

which element is the least reactive

which element is the most reactive

color metalloids green in the periodic table

color non-metals green in the periodic table

color metals yellow in the periodic table

color the most reactive metal group yellow and the most reactive nonmetal group green.

color the least reactive group red

Rank the folowing elemets as Metals, Nonmetals or Metalloids.

What makes Noble Gases unique?

neutrons

electrons

Mass number

Neutrons

which element is the least reactive

which element is the most reactive

The atomic mass of an element tells the total number of subatomic particles found inside the nucleus of that atom, therefore it tells the total number of + inside that atom.

The atomic mass of an element tells the total number of subatomic particles found inside the nucleus of that atom, therefore it tells the total number of + inside that atom.