Question

Electronic configuration is 1s2,2s2,2p6,3s2,3p6,4s2,3d2 then which period does it belongs

Answer 1

Answer: The element belongs to 4th period and the element is titanium

Explanation:

Here, 4s is the next orbital in higher energy after 3s but since, d orbitals have high energy compared to s orbitals the next set of electrons, filled after 4s2 starts from 3d1 and so on.  

hint: you can find the period if you know the highest shell (the coefficients of the orbital type tell you the period)

Answer 2

Answer:

your answer. trajsition metal

Explanation:

venediuyam.