Atoms and Periodic Table Practice

How many valence electrons does carbon have?

• 4

• 5

• 6

• 7

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8.1

Protons and neutrons are found in the center of the atom called the:

(a)  

• nucleus

• neutron

• shell

• cell

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8.1

The subatomic particles are called:

• protons, nucleus and electrons

• protons, electrons and neutrons

• protons, positives and negatives

• cloud, shell and quarks

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8.1

Substances made of only one kind of atom are called:

• elements

• nitrogen

• electrons

• nucleus

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8.1

What subatomic particle is represented by this symbol (+):

• neutron

• proton

• electron

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8.1

What subatomic particle is represented by this charge (-):

• neutron

• proton

• electron

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8.1

Particles in an atom that are neutral and have no charge are 

• negatrons 

• electrons 

• neutrons 

• protons 

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8.1

How many electrons can the first energy level hold?

• 1

• 2

• 8

• 0

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8.1

The maximum number of electrons that can fit into the 2nd energy level is

• 2

• 8

• 18

• 32

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8.1

Atoms are

• mostly empty space

• solid and unbreakable

• hollow

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8.1