Atomic Structure and Arrangement- 1-1 Scale Review

Most of an atom's mass is found in its __________.

• electron cloud
• protons
• nucleus
• electrons

Which state of matter have molecules widely spaced a part and move around randomly at high speeds?

• Solid
• Liquid
• Gas

Tags

NGSS.MS-PS3-4

What is made up of only one type of atom?

• Element
• Fusion
• Compound

Particle motion in frozen ice (H₂O) is __________ than particle motion in liquid water (H₂O).

• faster
• more massive
• less massive
• slower

Tags

NGSS.MS-PS1-4

Molecules in a solid state of matter have a definite shape and volume.

• True
• False

Which model represents a COMPOUND?

• A
• B

Tags

NGSS.MS-PS1-1

Which of the substances in the table below IS NOT an element?

• Helium
• Carbon
• Oxygen
• Water

Tags

NGSS.MS-PS1-1

The center of an atom is known as a(n) __________.

• electron
• nucleus
• proton
• neutron

A(n) __________ is a subatomic particle with a POSITIVE charge.

• atom
• neutron
• proton
• electron.

A(n) __________ is the basic building block for all matter.

• nucleus
• solid
• electron
• atom

Tags

NGSS.MS-PS1-1