Question

What is total no. Of metals and non metals known? Name them all

Answer 1

There are 20 non-metals.These are:-H,(He),C,N,O,F,(Ne)
,P,S,Cl,(Ar),Se,Br,(Kr),I,(Xe),At,(Rn),
Uus,(Uuo).

There are 91 non metals :- for list of non metal plz follow the attachment:-

Answer 2

More elements are metals. this group include the alkali, alkaline earth, metals, basic metals, and eat earth elements, Here's a lost of all of them:
Hydrogen is metallic state.
lithium
sodium
potassium
Rubidium
Cerisum
francium
Beryllium
magnesium
calcium
strontium
barium
radium
aluminium
gallium
idium
tin
thallium
hope it's help u dear........