Question

b)
i)
ii)
What is periodic property ? How ionization energy change in groups and periods.
The elements of the third period of the periodic Table are given below.
Group I II III IV V VI VII
Period 3 Na Mg Al Si P S C
p) Which atom is bigger among Na or Mg? Why?
q) Identify the most (i) metallic and (ii) non-metallic element in Period 3.​

Answer 1

Answer:

Explanation:

P) Na atom is bigger than mg atom as accross the period from left to right atomic size increase aseffective nuclear charge increase from left to right and this pulls electrons move effective and reducessize of atom

Q) 1st Na is more metallic

2nd C is non metallic in 3 rd period