Exploring Science: Atomic Structure Quiz

What is an atom?

• A molecule

• The smallest part of an element

• The largest part of an element

• A compound

Tags

NGSS.MS-PS1-1

Which subatomic particles make up an atom?

• Protons, neutrons, and electrons

• Protons, electrons, and ions

• Neutrons, electrons, and molecules

• Protons, ions, and molecules

Tags

NGSS.MS-PS1-1

Where are protons and neutrons located in an atom?

• In the electrons

• In the shells

• In the nucleus

• In the orbits

Tags

NGSS.MS-PS1-1

What is the charge of an electron?

• +1

• 0

• -1

• +2

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NGSS.MS-PS2-3

What does the atomic number represent?

• The number of neutrons

• The number of electrons

• The number of protons

• The number of shells

What is the mass number of an atom?

• The number of protons and electrons

• The number of electrons and shells

• The number of neutrons and electrons

• The number of protons and neutrons

How many electrons can the first shell hold?

• 8

• 12

• 2

• 10

What is the electronic configuration of magnesium?

• (8, 2, 2)

• (2, 2, 8)

• (2, 8, 2)

• (2, 8, 8)

Why do elements react with each other?

• To lose electrons

• To become heavier

• To gain protons

• To obtain a full outer shell of electrons

What is an ion?

• An atom that has lost or gained protons

• An atom that has lost or gained electrons

• An atom that has lost or gained neutrons

• An atom that has lost or gained mass