Atomic Structure Quizizz

What is the basic unit of an element?

• atom

• molecule

• cell

• proton

Describe the structure of an atom.

• The structure of an atom consists of a nucleus containing electrons and neutrons, surrounded by protons in energy levels or shells.

• The structure of an atom consists of a nucleus containing protons and electrons, surrounded by neutrons in energy levels or shells.

• The structure of an atom consists of a nucleus containing protons and neutrons, surrounded by electrons in energy levels or shells.

• The structure of an atom consists of a nucleus containing electrons and protons, surrounded by neutrons in energy levels or shells.

Tags

NGSS.MS-PS1-1

What is the charge of a proton?

• 0

• +1

• -1

• 2

How do neutrons differ from protons?

• Neutrons have no charge.

• Neutrons have a positive charge.

• Neutrons are smaller than protons.

• Neutrons are found in the nucleus of an atom.

How is the atomic number of an element determined?

• Number of isotopes in the element

• Number of electrons in the nucleus

• Number of neutrons in the nucleus

• Number of protons in the nucleus

What is the charge of an electron?

• 0

• +1

• -1

• 2

Tags

NGSS.MS-PS2-3

How many protons are present in the nucleus of a carbon atom?

• 6

• 2

• 10

• 4

How many electrons are present in a neutral atom of helium?

• 1

• 2

• 3

• 4

How many neutrons are present in a neutral atom of cobalt?

• 27

• 32

• 59

• 9

How many protons are present in a stable atom of barium?

• 137

• 81

• 56

• 2