Question

From the elements Mg, Ar, Cl, Sr, P and S, choose one that fits each of the below given descriptions:

i. An element having two valence electrons. 

ii. An element having properties similar to that of O. 

iii. A noble gas. 

iv. An alkaline earth metal, 

v. An element having electronic configuration 1s² 2s² 2p⁶ 3s² 3p³

Answer 1

i. Magnesium (Mg) 

ii. Sulphur (S) 

iii. Argon (Ar) 

iv. Strontium (Sr) 

v. Phosphorus (P)