Atoms and Periodic Table Practice

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

• neutron

• proton

• electron

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

• negatrons 

• electrons 

• neutrons 

• protons 

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How many electrons can the first energy level hold?

• 1

• 2

• 8

• 0

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

• 2

• 8

• 18

• 32

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Atoms are

• mostly empty space

• solid and unbreakable

• hollow

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The majority of elements on the periodic table are

• man made.

• nonmetals.

• metals.

• gases.

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Which elements have the most similar chemical properties?

• K and Na

• K and Ca

• K and Cl

• K and S

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How many valence electrons does Phosphorus have?

• 4

• 5

• 6

• 7

• 8

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