Question

18 (0)
A student studying Modern periodic table arranges some elements in different groups,
as shown
Group 1
Group 18
He
H
hydrogen
Group 2
Be
Ne
Na
Ar
K
Mg
Which group supports the guidelines of the Modern Periodic table?
a. Group 1
b. Group 2 and group 18
c. Group 2
d. Group 1 and Group 18​

Answer 1

Answer:

The correct answer is (d) Group 1 and 18