Review quiz on Atoms & States of Matter

How many protons are there in an atom of carbon-12?

• 6

• 12

• 8

• 4

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DOK Level 2: Skill/Concept

Which of the following is the correct chemical symbol for sodium?

• Na

• S

• N

• So

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DOK Level 2: Skill/Concept

If an atom has 15 protons, 16 neutrons, and 15 electrons, what is its atomic number?

• 31

• 15

• 16

• 30

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DOK Level 2: Skill/Concept

Which subatomic particle has a negative charge?

• Proton

• Neutron

• Electron

• Positron

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DOK Level 2: Skill/Concept

What is the mass number of an atom with 20 protons, 20 neutrons, and 20 electrons?

• 20

• 40

• 60

• 80

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DOK Level 2: Skill/Concept

Which of the following is the correct scientific notation for 0.00056?

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DOK Level 2: Skill/Concept

What is the chemical symbol for the element with 26 protons?

• Fe

• F

• Ne

• Ni

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DOK Level 2: Skill/Concept

How many electrons are in a neutral atom of chlorine?

• 17

• 18

• 16

• 19

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DOK Level 2: Skill/Concept

What is the atomic mass of an element with 10 protons, 10 neutrons, and 10 electrons?

• 10

• 20

• 30

• 40

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DOK Level 2: Skill/Concept

Which subatomic particle is found in the nucleus and has no charge?

• Proton

• Neutron

• Electron

• Positron

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DOK Level 2: Skill/Concept