Physical Chemistry Flashcards
1
Q
What are isotopes
A
isotopes are forms of the same element that have the same number of protons but different number of neutrons
2
Q
Relative atomic mass formula
A
(Percentage of isotope 1 x isotope mass 1) + (% of Isotope 2 x mass of isotope 2) divided by 100
3
Q
what is a molecule?
A
2 or more atoms chemically bonded together.
4
Q
What is a compound?
A
2 or more different elements chemically bonded together.
5
Q
what is a mixture?
A
two or more substances not chemically bonded together.
