The atomic number of an element ‘X’ is 12. Which inert gas is nearest to X?
Question
(a) He
(b) Ar
(c) Ne
(d) Kr
in progress
0
Class 10 science
3 years
2021-12-16T18:28:28+00:00
2021-12-16T18:28:28+00:00 1 Answer
25 views
Enlightened 0
Answer ( 1 )
Answer: c
Explanation: Reason: ‘X’ is
Magnesium and Argon (Ar) with
atomic number 12 is the closest inert
gas to it.