Question

Table of twenty elements​

Answer 1

Answer:

The first 20 elements of the periodic table :

H —Hydrogen.

He—Helium.

3.Li—Lithium.

4.Be—Beryllium.

B—Boron.

C—Carbon.

N—Nitrogen.

O—Oxygen.

Explanation:

plz mark in the brainliest ❤☝️

Answer 2

Answer:

The first 20 elements of the periodic table :

H —Hydrogen.

He—Helium.

3.Li—Lithium.

4.Be—Beryllium.

B—Boron.

C—Carbon.

N—Nitrogen.

O—Oxygen.