Atomic Structure and Periodic Table Unit Test Review

Which are of the following are subatomic particles. Select three:

• Protons

• Neutrons

• Electrons

• Nucleus

Hydrogen has an atomic number of 1. How many electrons does hydrogen have?

• 1

• 2

• 4

• 0

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NGSS.HS-PS1-1

Silicon has an atomic number of 14 and an atomic mass of 28. How many neutrons does it have?

• 14

• 28

• 2

• 10

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NGSS.MS-PS1-1

This element is found in group 2, period 3:

• Li

• Mg

• Be

• B

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NGSS.HS-PS1-1

Which particle does not contribute mass to the atom?

• Proton
• Neutron
• Electron
• Nucleus

The following element has _____________ electrons.

• 114
• 289
• 175
• 403

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NGSS.HS-PS1-1

The following element has _______________ neutrons.

• 15
• 16
• 31
• 46

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NGSS.HS-PS1-1

NGSS.HS-PS1-8

Which subatomic particles are found in the nucleus of an atom?

• Protons and Electrons
• Protons and Neutrons
• Neutrons and Electrons
• Protons, Neutrons and Electrons

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NGSS.MS-PS1-1

The total number of protons and neutrons in an atom is called the...

• Atomic number
• Proton number
• Mass number
• Weight number

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NGSS.HS-PS1-8

What element is represented in this Bohr Model? 

• Carbon
• Hydrogen
• Aluminum
• Lithium

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NGSS.HS-PS1-1