Question

Classify the following as metal , non metal , metalloids
Barium,Hydrogen,Silver,Helium,Bromine,Boron,Germanium

Answer 1

Answer:

we mainly classify elements on valency and properties

if an element has valency more than 5 it is non metal

if an element has valency less than 5 it is metal

the later discovered elements are mostly metalloids which show both metal and non metal features

Explanation:

Here

Metals ; Barium,Silver,

Non Metal ; Hydrogen,Helium, Bromine

Metalloids ; Boron,Germanium

although Hydrogen has valency 1 but due to its properties it belongs to non metal

Answer 2

Answer:

Your answer is here...

Explanation:

Metals : Silver

Non metal : Hydrogen, Helium, Boron, Bromine

Metalloids : Barium, Germanium.

Hope it works for you......