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.



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक