Strontium atom loses 2 electrons to become an ion with 2 electrons lesser than its atom. Your answer is C.
Non metals
(It’s both halogens and noble gases ) the other ones which are white(not highlighted) are alkali metals, alkaline earth metals, and transition metals :3
<span>N2 - Element; Pure substance O2 - Element; Pure substance N2O - Compound; Pure Substance Air - Homogeneous; Solution</span>
C :) shshdjehwjdjdjsjsjsbsbbsdp
