Question

questions refer to elements of periodic table with atomic no. from 3 to 18.
A-3
B-4
C-5
D-6
E-7
F-8
G-9
H-10
I-11
J-12
K-13
L-14
M-15
N-16
O-17
P-18

some of these elements are shown by letters but letters are not usual symbols of elements.

which of these:

a) have most electronegative element.
b) is a halogen.
c) is an alkali metal.
d) is an element with valency 4
e) have least ionisation energy.
f) have least atomic size in period 3.

Answer 1

a) fluorine 9
b) chlorine 17
c) Sodium 11
d) Carbon 6

Answer 2

a- G
b- G and I
c- 3
d-D
e- I
f-P