Question

what is non metal mention 4 properties​

Answer 1

Non-metals usually have 4, 5, 6 or 7 electrons in their outermost shell. Non-metals are those which lack all the metallic attributes. They are good insulators of heat and electricity. They are mostly gases and sometimes liquid. Some they are even solid at room temperatures like Carbon, sulphur and phosphorus.

Answer 2

Answer:

non lustrous

non malleable

non ductile

soft

not good conductor of heat and electricity

not sonorous