molecules Flashcards
1
Q
what is a molecule?
A
smallest particle of a substance which exists independently
2
Q
how to create a hydrogen atom?
A
H + H = H2
3
Q
how to create a water molecule?
A
H + O + H = H2O
4
Q
How to create a nitrogen dioxide molecule?
A
O + N O = NO2
5
Q
Molecules of most elements are made up of how many atoms?
A
1
