2.1.2 Compounds, Formulae and Equations Flashcards
1
Q
Definition of Relative Isotopic mass
A
Its the mass of an atom of an isotope compared with one twelfth of the mass of an atom of carbon - 12
2
Q
Definition of Relative atomic mass, Ar
A
its the weighted mean mass of an atom of an element compared with one twelfth of the mass of an atom of carbon - 12
3
Q
How do you find out the Relative isotopic mass
A
Its the same as the mass number
4
Q
How do you find out the Relative atomic mass, Ar
A
100
5
Q
How do you find out the relative formula mass
A
add all the atomic masses
6
Q
How do you find out the relative abundance from a mass spectrum
A
% abundance of isotope A = (height of A/ height A+B) X 100
