Question

first 20melements and theair symbols

Answer 1

Answer:

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Explanation:

Terms in this set (20)

Hydrogen

H

Helium

He

Lithium

Li

Beryllium

Be

Boron

B

Carbon

C

Oxygen

O

Nitrogen

N

Fluorine

F

Neon

Ne

Sodium

Na

Magnesium

Mg

Aluminum

Al

Silicon

Si

Phosphorus

P

Sulfur

S

Chlorine

Cl

Argon

Ar

Potassium

K

Calcium

Ca

Answer 2

1 - H - Hydrogen

2 - He - Helium

3 - Li - Lithium

4 - Be - Beryllium

5 - B - Boron

6 - C - Carbon

7 - N - Nitrogen

8 - O - Oxygen

9 - F - Fluorine

10 - Ne - Neon

11 - Na - Sodium

12 - Mg - Magnesium

13 - Al - Aluminum

14 - Si - Silicon

15 - P - Phosphorus

16 - S - Sulfur

17 - Cl - Chlorine

18 - Ar - Argon

19 - K - Potassium

20 - Ca - Calcium