First 20 elements of the periodic table

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only atomic number and symbol

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20 Terms

1
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Hydrogen

Atomic Number: 1Symbol: H

2
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Helium

Atomic Number: 2Symbol: He

3
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Lithium

Atomic Number: 3Symbol: Li

4
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Beryllium

Atomic Number: 4Symbol: Be

5
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Boron

Atomic Number: 5Symbol: B

6
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Carbon

Atomic Number: 6Symbol: C

7
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Nitrogen

Atomic Number: 7Symbol: N

8
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Oxygen

Atomic Number: 8Symbol: O

9
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Fluorine

Atomic Number: 9Symbol: F

10
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Neon

Atomic Number: 10Symbol: Ne

11
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Sodium

Atomic Number: 11Symbol: Na

12
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Magnesium

Atomic Number: 12Symbol: Mg

13
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Aluminum

Atomic Number: 13Symbol: Al

14
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Silicon

Atomic Number: 14Symbol: Si

15
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Phosphorus

Atomic Number: 15Symbol: P

16
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Sulfur

Atomic Number: 16Symbol: S

17
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Chlorine

Atomic Number: 17Symbol: Cl

18
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Argon

Atomic Number: 18Symbol: Ar

19
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Potassium

Atomic Number: 19Symbol: K

20
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Calcium

Atomic Number: 20Symbol: Ca