Question

the element of third Period of the periodic table are given below sodium magnesium aluminium Silicon Phosphorus Silicon chlorine argan .which atom is bigger sodium or magnesium? why ?identify the most metallic and nonmetallic element.

Answer 1

▄▀▄ █▄─█ ▄▀▀ █───█ █▀▀ █▀▀▄
█▀█ █─▀█ ─▀▄ █─█─█ █▀▀ █▐█▀
▀─▀ ▀──▀ ▀▀─ ─▀─▀─ ▀▀▀ ▀─▀▀

✔✔SODIUM HAS BIGGER ATOMIC RADIUS BECAUSE ATOMIC RADIUS DECREASES ACROSS A PERIOD.

✔✔MOST METALLIC ✈SODIUM.

✔✔MOST NON METALLIC ✈CHLORINE.


✨✨✨HOPE IT HELPS ✨✨✨

Answer 2

sodium has the bigger size and Na is the most metallic and argon non metallic