Classification Of Elements And Periodicity In Properties Ques 334
Question: 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 not correct
Options:
A) It belongs to II group of the periodic table
B) It has 20 neutrons
C) The formula of its oxide is $ MO_2 $
D) It belongs to 4th period of the periodic table
Show Answer
Answer:
Correct Answer: C
Solution:
Its valency is 2. So it will form MO type compound.