Interpreting a chemical formula Flashcards
1
Q
How do you tell how many atoms an element has?
A
You look at the little number to the right of its symbol
2
Q
How many atoms does each element have in
MgS
Na²SO⁴
Ca(OH)²
A
MgS
Magnesium = 1
Sulfur = 1
Na²SO⁴
Sodium = 2
Sulfur = 1
Oxygen = 4
Ca(OH)²
Calcium = 1
Oxygen = 2
Hydrogen = 2
3
Q
What happens to the compound when the amount of atoms has changed?
A
It will completely change
