Mr and Ar Flashcards
1
Q
Isotopes
A
Isotopes are atoms of the same elements with the same number of protons but different number of neutrons.
2
Q
Relative Atomic Mass
A
The relative atomic mass of an element is the average mass of the atoms of an element taking into account all of the isotopes of that elements
3
Q
Relative Formula Mass
A
The relative formula mass is the sum of all the relative atomic masses of the atoms shown in a formula
4
Q
Ar formula
A
Ar = total mass of atoms/total number of atoms
5
Q
Fr formula
A
Fr = (no. of atom x mass of atom)
