Question

name the metals,mettaloids in first twenty elements

Answer 1

In First 20 elements,

Metals are :

Lithium,

Beryllium,

Sodium,

Magnesium,

Aluminum,

Potassium, and

Calcium.

Non-metals are : Hydrogen,

Helium,

Carbon,

Nitrogen,

Oxygen,

Fluorine,

Neon,

Phosphorus,

Sulfur,

Chlorine, and

Argon.

Metalloids are :

Boron and Silicon

Properties of metals :

Metals react with nonmetals to form ionic bonds.

Metals are a good conductor of electricity.

Metals have high melting points and high boiling points.

metals are lustrous

Metals are hard.

Physical Properties of non-metals ;

Nonmetals have high ionization energies.

Electronegative in nature.

Poor conductors of  electricity.

Thanks :)

Answer 2

metal are
Lithium
Beryllium
sodium
magnesium
almunium
potassium
magnesium

non metal are

hydrogen
helium
carbon
nitrogen
oxygen
fluorine
neon
phosphorus
sulphur
chlorine
argon

mettaloide
boron
silicon