Question

1-20 period table. n. ​

Answer 1

Explanation:

Ok

so what

???????

Bolo

I don't know

Answer 2

$\huge\bold{\mathfrak\green{Elements \: from \: 1 \: to \: 20}}$

1. Hydrogen ( H )
2. Helium ( He )
3. Lithium ( Li )
4. Beryllium ( Be )
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 )