Unit 2 Quiz Review

What is "B" labeling?

• electrons

• protons

• nucleus

• cloud

Tags

NGSS.MS-PS1-1

What is "C" labeling?

• electrons

• neutrons

• nucleus

• protons

Tags

NGSS.MS-PS1-1

What is the charge of an electron?

• Neutral

• Postive

• Negative

Tags

NGSS.HS-PS3-5

What is the charge of a neutron?

• Positive

• Zero

• Negative

What is the charge of a proton?

• Positive

• Neutral

• Negative

For an atom to be neutral (no charge), it must have an equal number of _____ and ______.

• protons and neutrons

• protons, neutrons, and electrons

• protons and electrons

An atom's atomic number comes from its number of ________.

• electrons

• protons

• neutrons

The first ring or shell of the electron cloud can hold a total of how many electrons?

• 8

• 2

• 1

• 18

What is the atomic number of Boron?

• 5
• 11
• 6

Tags

NGSS.MS-PS1-1

What is the atomic mass of Boron?

• 5
• 11
• 6