MHT CET Chemistry question
An element with at. no. 27 belongs to which block of the periodic table?
Answer: (C)
Solution
Z = 27 is cobalt (), whose last electron enters the 3d subshell, so it is a d-block element. Hence the correct option is (c).
An element with at. no. 27 belongs to which block of the periodic table?
Z = 27 is cobalt (), whose last electron enters the 3d subshell, so it is a d-block element. Hence the correct option is (c).