Atoms, elements and compounds Flashcards
1
Q
What is an element?
A
An element is a substance that can’t be broken down into anything smaller with the smallest “piece” of an element being an atom.
2
Q
What is the chemical symbol for carbon?
A
C.
3
Q
What is the chemical symbol for nitrogen?
A
It is N- what a surprise!
4
Q
What is a compound?
A
A compound is a substance made of two or more elements chemically joined together.
5
Q
What is a mixture?
A
A mixture is a two or more elements and/or compounds in the same place but not chemically bonded.
6
Q
What do chemical reactions cause atoms to do?
A
Bond in a new way.
7
Q
How many electrons can the first shell hold?
A
2.`
