Atomic Structure Analytic Questions

Electrons have virtually no mass (weight).

• True
• False

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NGSS.MS-PS1-1

What is the atomic number?

• The number of protons in an element
• The number of neutrons in an element
• The number of protons and neutrons.
• The number of protons and electrons.

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NGSS.MS-PS1-1

What is the atomic number of an element with 12 protons, 13 neutrons and 12 electrons? Hint: Use the periodic table!

• 12
• 13
• 25
• 24

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NGSS.MS-PS1-1

How many protons are in an atom of carbon?

• 12.01
• 8
• 6
• 14

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NGSS.MS-PS1-1

What is the name of the atom in the picture. Hint: Look at the proton # and then use the periodic table

• Carbon
• Silicon
  Calcium
• aluminum
  Sodium
• Calcium
  Silicon

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NGSS.MS-PS1-1

Which is an electron?

• A
• B
• C

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NGSS.MS-PS1-1

Which is a proton?

• A
• B
• C

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NGSS.MS-PS1-1

Which is a neutron?

• A
• B
• C

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NGSS.MS-PS1-1

An element can be defined by the number of ___________ in the nucleus of its atoms.

• protons
• neutrons
• electrons
• atoms

What parts of the atom make up most of its mass?

• protons and electrons
• protons and neutrons
• neutrons and electrons
• electrons

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NGSS.MS-PS1-1