AS Ch 2 Flashcards
1
Q
Define: Relative atomic number
A
The weighted mean mass of an atom compared with 1/12th mass of an atom of carbon-12
2
Q
Define: Relative molecular mass
A
The average mass of one molecule of an element or compound compared to 1/12th the mass of an atom of carbon-12
3
Q
Define: Relative isotopic mass
A
The mass of an atom of an isotope compared with 1/12th mass of an atom of carbon-12
4
Q
Electron Configuration
A
Watch video
5
Q
Melting Point and Boiling Point
A
Watch video and memorise diagrams for Period 3 elements
6
Q
Define: First ionisation energy
A
The energy required to remove one mole of electrons from one mole of gaseous atom to form one mole of 1+ ions
7
Q
Ionisation energy
A
Watch video
8
Q
Atomic orbital/shell/sub-shell
A
Memorise diagram
