Math questionz >/////>?

Question

1: How many electrons must be added to Carbon to fill the outer shell?

a. Eight electrons

b. Carbon does not have an outer shell

c. Four electrons

2: If you added Oxygen and set hydrocarbon molecules on fire, what would you get?

a. Hydrocarbons don't burn

b. C3H8O2

c. H2O and CO2

3: Where did the "Buckyball" get its name?

a. American engineer, Buckmkinster Fuller.

b. 3rd allotrope of Carbon.

c. It looks like a domed roof.

4: A little Carbon dioxide puts the fizz in soda, but too much of it in the air can do what?

a. Traps heat in atmosphere and might raise Earth’s temperature.

b. Could cause climate changes.

c. A and B

5: Diamonds and graphite are both pure allotropes of Carbon. How are they different?

a. Due to flaws in the stone, diamonds can be found in many different colors, whereas graphite cannot.

b. Diamonds are hardest mineral known, graphite’s soft enough to leave a line on paper.

c. Both A and B are correct.

Answer 1

these aren't math questions

Answer 2

a

c

a

c

c

Answer 3

c

d

b

d

c

Answer 4

1a 4 electrons as 2 are in the first shell of all molecules

2c. Also depends what type of hydrocarbon what you get

3. a lol

4. C it causes the layer of heat to increase as it increase the depth of the atmosphere and reflects heart, reflected off the earth back into the planet

5. C again