Explain why Magnesium has a greater second ionisation energy than strontium
Magnesium is a smaller atom with a smaller radius than strontium, this means the electron has a greater attraction to the nucleus. Also as strontium has more orbitals the electron has more shielding from the nucleus from the lower orbitals.
KW
Related Chemistry A Level answers
All answers ▸What is meant by the term homologous series?
Explain how CH3CH2CHO can react with a Grignard reagent to produce CH3CH2CH(OH)CH2CH3. State the reagents and give the mechanism.
Why is phenylamine a weaker base than ethylamine?
Write equations and give the mechanism for the reaction of butanone with: 1) NaBH4 and 2) HCN