LS2: Basic Chemistry, Water, & pH Flashcards
1
Q
Atom?
A
2
Q
Molecule?
A
3
Q
Element?
A
4
Q
Compound?
A
5
Q
Difference between a molecule & compound? (Give an example)
A
6
Q
- Number of Naturally Occurring Elements?
- How many are essential to humans?
A
- 90
- idk
7
Q
A