Classification Of Elements And Periodicity In Properties Question 182
An element of atomic weight 40 has 2, 8, 8, 2 as the electronic configuration. Which one of the following statements regarding this element is correct
Options:
A) It belongs to group 2 of the periodic table
B) It has 20 neutrons
C) The formula of its oxide is $ MO_2 $
D) It belongs to the 4th period of the periodic table
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Answer:
Correct Answer: C
Solution:
Its valency is 2. So it will form a molecular compound.
BETA
