9/30/22 - Elements, Compounds, and Mixtures

Question 1

What is an element?

Answer 1

The simplest type of matter with unique chemical and physical properties.

Question 2

What is a compound?

Answer 2

Multiple elements chemically bonded in fixed ratios.

A compound has properties unique from its constituent elements.

Question 3

What is a mixture?

Answer 3

Multiple substances (elements or compounds) that are physically intermingled, but not chemically bonded.

Question 4

2 differences between compounds and mixtures:

Answer 4

• Compound is chemically bonded, mixture is not
• Compound has properties different from its components, mixture retains many components’ properties
• Mixtures can be separated into its components through physical change, compounds cannot

Question 5

What is a homogenous mixture?

Answer 5

A mixture with no visible boundaries between components

Question 6

What is a heterogenous mixture?

Answer 6

A mixture with visible boundaries between components

Question 7

What is a molecule?

Answer 7

A structure of multiple atoms chemically bonded that behaves as an individual unit

Question 8

Diatomic molecules?

Answer 8

Have No Fear Of Ice Cold Bear
H2, N2, F2, O2, I2, C2, Br2

Question 9

What is the density of water?

Answer 9

1 gram/mL