Atoms, Ions and Compounds Flashcards
1
Q
Define relative atomic mass
A
The mean mass of atom of an element relative the the mass of 1/12 of an atom of Carbon-12
2
Q
Define relative isotopic mass
A
The mass of an atom of an isotope relative to the mass of 1/12 of an atom of Carbon-12
3
Q
What machine shows the relative abundances of different isotopes in a sample of an element
A
Mass Spectrometer
4
Q
What is the formulae of a nitrate ion
A
NO3-
5
Q
What is the formulae of a nitrite ion
A
NO2-
6
Q
What is the formulae of a carbonate ion
A
CO3(2-)
7
Q
What is the formulae of a ammonium ion
A
NH4+
8
Q
What is the formulae of a ammonia ion
A
NH3+
9
Q
What is the formulae of a permanganate ion
A
MnO4-
10
Q
What is the formulae of a Phosphate ion
A
PO4(3-)
