Atoms, elements and compounds

Question 1

What is an element?

Answer 1

An element is a substance that can’t be broken down into anything smaller with the smallest “piece” of an element being an atom.

Question 2

What is the chemical symbol for carbon?

Answer 2

C.

Question 3

What is the chemical symbol for nitrogen?

Answer 3

It is N- what a surprise!

Question 4

What is a compound?

Answer 4

A compound is a substance made of two or more elements chemically joined together.

Question 5

What is a mixture?

Answer 5

A mixture is a two or more elements and/or compounds in the same place but not chemically bonded.

Question 6

What do chemical reactions cause atoms to do?

Answer 6

Bond in a new way.

Question 7

How many electrons can the first shell hold?

Answer 7

2.`