Question

Which one of the following is an ‘s' block element 1) 1s22s22pS 2) 1s22s1 3) 1s22s22pº3s23p 4) 1s22p3​

Answer 1

Answer:

S-block comprises 14 elements namely hydrogen (H), lithium (Li), helium (He), sodium (Na), beryllium (Be), potassium (K), magnesium (Mg), rubidium (Rb), calcium (Ca), cesium (Cs), strontium (Sr), francium (Fr), barium (Ba), and radium (Ra).

Explanation:

here ur ans mate