Chem Ch 2 Review

What physical property concerns how well something can be drawn into long wires?

• Malleability

• Ductility

• Density

• Conductivity

The two categories of matter are:

• Pure and elements

• Pure and compounds

• Pure substances and mixtures

• Compounds and mixtures

An element with two atoms is...

• Diatomic element

• Polyatomic element

• Monatomic element

• Compound

Absorbs more thermal energy than it releases:

• Endothermic

• Exothermic

• Exergonic

• Endergonic

Tags

NGSS.MS-PS3-4

Can you break down a compound?

• Yes

• No

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Energy and mass in the universe has remained constant since the moment the universe was created.

• 1st law of thermodynamics

• 2nd law of thermodynamics

• 3rd law of thermodynamics

• None of these

The entropy of a system is always increasing

• 1st law of thermodynamics

• 2nd law of thermodynamics

• 3rd law of thermodynamics

• None of these

Frost is an example of

• Condensation

• Vaporization

• Freezing

• Deposition

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Water boiling is a __________ change.

• Physical

• Chemical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Mixing chemicals to produce something else is a ___________ change.

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5