Chapter 0: Review Topics (supplemental videos)

Question 1

What is an element?

Answer 1

Substance made up of 1 atom

Question 2

Give 3 examples of an element?

Answer 2

1. Carbon (C)
2. Oxygen (O)
3. Hydrogen (H)

Question 3

What is a compound?

Answer 3

Sunstances made up pf 2 or more types of atoms

Question 4

Give an example of a compound

Answer 4

H2O

Question 5

What are monoatomic elements?

Answer 5

Elements composed of a single atom

Question 6

Give 3 examples of monoatomic element

Answer 6

1. N2
2. Ar
3. He

Question 7

What are subatomic elements?

Answer 7

Elements that have pairs of atoms that are bound together to make a molecule

Question 8

What are the 7 important subatomic elements?

Answer 8

1. N2
2. H2
3. F2
4. O2
5. I2
6. Cl2
7. Br2

Question 9

What are the 3 components atoms can be broken down to?

Answer 9

Protons: positively charged
Neutrons: neutral
Electrons: negatively charged
-“Orbit” outside nucleus