Atom Quiz

What is the mass number defined as?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

What is the atomic mass of this atom?

• 1

• 3

• 4

• 7

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What is the atomic number?

• the number of protons

• the number of protons and neutrons combined

• the number of neutrons

• the number of protons and electrons combined

How many protons are in a sodium atom? (tap to enlarge the periodic table)

• Sodium has 1 proton.
• Sodium has 3 protons.
• Sodium has 11 protons

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What is the atomic number of Nickel? (enlarge the periodic table)

• 110
• 28
• 46
• 78

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An element has the mass number 12 and atomic number  6. The number of neutrons in it is:

• 6
• 10
• 4
• 8

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What subatomic particles would you find in the nucleus of an atom?

• Protons only
• Protons and Neutrons
• Neutrons and Electrons
• Protons and Electrons 

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What is the name of this element?

• Helium
• Hydrogen
• Argon
• Silver

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What is the name of this element?

• Lithium
• Boron
• Carbon
• Neon

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The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers