CHEMISTY ELEMENTS AND VALENCY Flashcards by recovery mail

Q

hydrogen

A

H
atomic mass: 1

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Q

helium

A

He
atomic mass: 4

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Q

lithium

A

Li
atomic mass: 7

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Q

beryllium4

A

Be
atomic mass:9

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Q

Boron

A

B
atomic mass 11

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Q

carbon

A

C
atomic mass : 12

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Q

nitrogen

A

N
atomic mass: 14

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Q

oxygen

A

O
atomic mass: 16

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Q

fluorine

A

F
atomic mass: 19

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Q

Neon

A

Ne
atomic mass: 20

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Q

sodium

A

Na
atomic mass: 23

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Q

magnesium

A

Mg
atomic mass: 24

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Q

aluminium

A

Al
atomic mass: 27

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Q

silicone

A

Si
atomic mass: 28

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Q

massphosphorus

A

P
atomic mass: 31

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Q

sulpher

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A

S
atomic mass:32

Q

chlorine

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A

Cl
atomic mass:35

Q

argon

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A

Ar
atomic mass: 40

Q

argon

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A

Ar
atomic number: 18

Q

chlorine

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A

Cl
35.5

Q

calcium

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A

Ca
40