Question

Q2: In which block, group and period in the periodic
table where would you place each of the following
elements with the following electronic configuration?
(a) 1s22s1
(b) 1s22s22ps
(c) 1s22s22p63s?
(d) 1s​

Answer 1

Answer:

If you are given with the atomic number of an element you can find it's period number and group number. The period number is related to the number of electron occupied shells in the element and the period number is linked to its valence electrons.