Question

you can ask 20 elements in a period table​

Answer 1

Answer:

1 hydrogen

2 helium

3 lithium

4 beryllium

5 boron

6 carbon

7 nitrogen

8 oxygen

9 fluorine

10 neon

11 sodium

12 magnesium

13 aluminium

14 silicon

15 phosphorus

16 sulphur

17 chlorine

18 argon

19 potassium

20 calcium

Answer 2

Hydrogen H

Helium He

lithium Li

beryllium Be

boron B

carbon C

nitrogen N

oxygen O

flourine F

neon Ne

sodiumNa

magnesium Mg

aluminium Al

silicon Si

phosphorus P

sulphur S

chlorine Cl

argonAr

potassium K

calcium Ca