electron arrangement in atoms
Work out what they know
how are shells arranged?
how do electrons arrange themselves within the shells?
how many electrons per shell?
types of shells
how to write the arrangement long hand and short hand
drawing arrangement diagrams
LN
Related Chemistry A Level answers
All answers ▸Use the following data to explain why NaCl is soluble in water: ∆H = +31 kJmol-1, S(Na+(aq)) = 320.9 JK-1mol-1, S(Cl-(aq)) = 56.5 JK-1mol-1, S(NaCl(s)) = 72.1 JK-1mol-1 Are there any temperatures at which you would not expect NaCl to dissolve?
Compare the structures of Diamond and Graphite, making references to the bonding, the shape of the structures, and location of the electrons within the structures. Account for the fact that graphite conducts electricity and diamond does not.
Give and explain 2 of the anomalous properties of ice caused by hydrogen bonding (3)
Why do the boiling points of the hydrogen halides increase as you go down the group from HCl to HI?