Question

6 The electronic structure of lithium is 2.1.
a Write the electronic structures for sodium
and potassium
b Describe one way in which the electronic
structures are similar
c Describe the link between the atomic
structure of an element, and the periodic
table group the element is in.​

Answer 1

A) Sodium(Na) -2,8,1
Potassium (K)-2,8,8,1
B) They both have only one electron in the valence shell
C) The atomic radius of an element increases down the group as the number of shells increases