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First 20 Elements

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Total cards: 20•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (20)

#1

Front (Question)

He

Back (Answer)

2 Helium 0

#2

Front (Question)

Li

Back (Answer)

3 Lithium 1+

#3

Front (Question)

Be

Back (Answer)

4 - Row 2 Beryllium 2+

#4

Front (Question)

B

Back (Answer)

5 Boron 0

#5

Front (Question)

C

Back (Answer)

Carbon 0

#6

Front (Question)

N

Back (Answer)

Nitrogen 3-

#7

Front (Question)

O

Back (Answer)

Oxygen 2-

#8

Front (Question)

F

Back (Answer)

Fluorine 1-

#9

Front (Question)

Ne

Back (Answer)

Neon 0

#10

Front (Question)

Na

Back (Answer)

Sodium 1+

#11

Front (Question)

Mg

Back (Answer)

Magnesium 2+

#12

Front (Question)

Al

Back (Answer)

Aluminum 3+

#13

Front (Question)

Si

Back (Answer)

Silicon 0

#14

Front (Question)

P

Back (Answer)

Phosphorous 3-

#15

Front (Question)

S

Back (Answer)

Sulfur 2-

#16

Front (Question)

Cl

Back (Answer)

Chlorine 1-

#17

Front (Question)

Ar

Back (Answer)

Argon 0

#18

Front (Question)

K

Back (Answer)

Potassium 1+

#19

Front (Question)

Ca

Back (Answer)

Calcium 2+

#20

Front (Question)

H

Back (Answer)

1- Row 1 Hydrogen +1, -1