Periodic Table

What is the atomic number of Oxygen?

• 8

• 15

• 16

• 7

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NGSS.MS-PS1-1

What is the atomic mass of Oxygen? (choose best answer)

• 8

• 15

• 16

• 7

How many neutrons in Fluorine?

• 9

• 18

• 19

• 10

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NGSS.MS-PS1-1

If someone told you they had an atom that had 10 protons and 11 neutrons, what would the mass of that atom be?

• 10

• 11

• 21

• 1

If I had an atom with 5 electrons and 5 protons, what is its atomic number?

• 5

• 10

• 15

• 20

Tags

NGSS.MS-PS1-1

If an atom had a mass of 20, and 5 protons, how many neutrons does it have?

• 20

• 5

• 15

• 25

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NGSS.MS-PS1-1

What is inside the nucleus of an atom?

• protons and electrons

• electrons and neutrons

• protons and neutrons

• protons, electrons, and neutrons

Which particles are found in the nucleus of an atom?

• Electrons and protons

• Neutrons and electrons

• Protons and neutrons

• Protons, neutrons, and electrons

Which subatomic particle is labeled "A" in the picture?

• proton

• neutron

• electron

• nucleus

Tags

NGSS.MS-PS1-1

Use the element square to determine the atomic number for Antimony.

• 51

• 121.76

• 71

• 173

Tags

NGSS.MS-PS1-1