Elements Flashcards
1
Q
When two or more elements are combined and a chemical reaction occurs a what is made?
A
A brand new substance.
2
Q
Compound
A
A substance created by the combination of elements
3
Q
Elements
A
Substances that can be broken into anything simpler
4
Q
Chemical formula
A
Shows the composition of the elements making up a compound
5
Q
How many elements are there in the Periodic Table?
A
118
6
Q
What tells us how many atoms of each element are in a compound?
A
Subscript
