Section. 3 Flashcards
1
Q
Chemical formula
A
F.e glucose C6H12O6
2
Q
Atom
A
Smallest unit of element
+ protons - electrons 0 neutrons
All matter is made out of atoms
3
Q
Chemical compounds
A
Substance made out of 2 or more elements
CO2 H2O
4
Q
Molecules
A
Group of 2 or more atoms of the same or different element. Held together by chemical bond
5
Q
Chemical elements
A
Substance composed of single type of atom
H hydrogen
6
Q
Solvent
A
Liquid in which solid substance can dissolve
