Atoms and Periodic Table Practice

How many valence electrons does Phosphorus have?

• 4

• 5

• 6

• 7

• 8

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8.1

How many energy levels does Oxygen have?

• 16

• 8

• 2

• 6

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8.1

Where are the metalloids located on the periodic table? 1 answer only

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8.1

Choose the three options that are classified as nonmetals.

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8.1

When an atom loses an electron, it becomes a

• positive ion

• negative ion

• neutral ion

• neutral atom

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8.1

Which table below correctly lists the properties of metals and nonmetals? *

• A

• B

• C

• D

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8.1

Elements that have atoms with full valence shells in the ground state are in

• Group 1

• Group 2

• Group 17

• Group 18

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8.1

What is the smalled unit of matter that can be broken down and still keep its chemical makeup?

• Proton

• Neutron

• Atom

• Electron

What is the number of protons in the nucleus of an atom called?

• Atomic Mass

• Atomic Weight

• Atomic Number

• Atomic Characteristic

If an atom has 3 protons, 4 neutrons and 2 electrons, what charge does it have?

• -1

• 0

• 2

• 1