one similarity and one difference in electronic structure

Question 1

one similarity and difference in the electronic structure
sodium to aragon

Answer 1

same number of shells/2 full shells/3 shells/same number

of energy levels
any 1 for 1 mark

increasing number of electrons/different number of electrons/
number of electrons same as group
number
(if electrons not specifically mentioned assume they are
referring to electrons)
any 1 for 1 mark

Question 2

down group 7 from flourine to astaline

Answer 2

same number of shells/2 full shells/3 shells/same number

of energy levels
any 1 for 1 mark

increasing number of electrons/different number of electrons/
number of electrons same as group
number
(if electrons not specifically mentioned assume they are
referring to electrons)
any 1 for 1 mark

Question 3

trend in activity down group 1

Answer 3

increases down group/decreases up