Question

Discuss the first 20 the Element on the periodic table.

Answer 1

Hi,

They are:-

1)Hydrogen (H):- It is the lightest gas .Its location in the metal activity series suggests that it has positive charge (like metals) in it.It is a non-metal and is highly inflammable.

2)Helium (He):-A noble gas and a non-metal which is chemically inert. It carries no charge .It is the 2nd lightest gas , next to Hydrogen.

3)Lithium:- A soft metal that can be cut with a knife.It is one of the most reactive metals.It reacts with oxygen and water spontaneously.


4)Beryllium:-

(Sorry I don't have any Info about it)
:disappointed:

Sorry I am able to give u this much.

The rest elements are:-

5)Boron (B)
6)Carbon(C)
7)Nitrogen(N)
8)Oxygen(O)
9)Fluorine(F)
10)Neon(Ne)
11)Sodium (Na)
12)Magnesium (Mg)
13)Aluminum (Al)
14)Silicon (Si)
15)Phosphorus(P)
16)Sulphur (S)
17)Chlorine (Cl)
18)Argon(Ar)
19)Potassium (K)
20)Calcium (Ca)

HOPE IT HELPED (^_^)