Periodic Table Review

Which 3 things are always equal for an atom?

• Electrons, protons, and neutrons

• Atomic number, protons, electrons

• Mass number, atomic number, protons

• Atomic number, neutrons, electrons

Which subatomic particle tells the identity of an element?

• Electron

• Proton

• Neutron

• Nucleus

How many electrons are in this element?

• 39

• 19

• 20

• 21

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NGSS.MS-PS1-1

How many neutrons are in this element?

• 39

• 19

• 20

• 40

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NGSS.MS-PS1-1

What is the rounded mass for this element?

• 8

• 15

• 16

• 17

How many neutrons are in this element?

• 6

• 16

• 15

• 8

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NGSS.MS-PS1-1

What is the name of this element?

• Hydrogen

• Helium

• Lithium

• Beryllium

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NGSS.MS-PS1-1

The atomic number for Aluminum (Al) is 13. How many protons does an atom of Al have?

• 27

• 13

• 14

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NGSS.MS-PS1-1

Argon (Ar) has an atomic mass of 40 and 18 electrons. How many protons does Argon have?

• 40

• 18

• 22

How many protons are in Carbon (C)?

• 6

• 12

• 1

• 18

Tags

NGSS.MS-PS1-1