ECM: atoms & molecules Flashcards
1
Q
define an atom
A
the smallest possible particle a substance can exist in
2
Q
define a molecule
A
two or more atoms chemically combined together
3
Q
do molecules need to be made up of the same type of atoms?
A
no
4
Q
define diatomic, triatomic and polyatomic molecules
A
diatomic molecule: consists of two atoms chemically combined together
triatomic molecule: consists of three atoms chemically combined together
polyatomic molecule: consists of three or more atoms chemically combined together
