Atoms & Reactions 2.1.1 & 2.1.2 Flashcards
1
Q
What is the definition of Isotope?
A
An atom with the same number of protons but a different number of neutrons
2
Q
What is Relative Atomic Mass?
A
The weighted mean mass of an atom compared to 1/12 of the mass of an atom of carbon-12
3
Q
What is Relative Isotropic Mass?
A
The weigthed of one atom when compared to the mass of an atom compared to 1/12 of the mass of an atom of carbon-12
4
Q
What is Relative Molecular Mass?
A
The weighted mean mass of a molecule when compared to the mass of an atom compared to 1/12 of the mass of an atom of carbon-12
5
Q
What is Relative Formula Mass?
A
The weighted mean mass of a formula unti compared to 1/12 of the mass of an atom of carbon-12
6
Q
What are Molecular ions that must be known?
A
Ammonium NH(4) + Hydroxide OH - Nitrate NO(3) - Carbonate CO(3) 2- Sulphate SO(4) 2- Dichromate Cr(2)O(7) -2
