Question

1) Boron has a (an) ---------- electronic configuration.(stable/unstable) 2) According to-------- atoms are divisible(Thomson/Dalton)
3) A substance made of one type of atoms is called-------(Element/Compound) 4) --------------- is a metal in liquid form.(Lead/Mercury) 5) The process of changing of liquid into solid at a particular temperature is called------ (Melting/solidification).​

Answer 1

Explanation:

stable

Dalton

elements

Mercury

solidification