atomic numbers of eighteen elements
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Elements Atomic number
hydrogen 1
helium 2
lithium 3
berrylium 4
boron 5
carbon 6
nitrogen 7
oxygen 8
flourine 9
neon 10
sodium 11
magnesium 12
aluminium 13
silicon 14
phosphorus 15
sulphur 16
chlorine 17
argon 18
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hope it will help u
hydrogen 1
helium 2
lithium 3
berrylium 4
boron 5
carbon 6
nitrogen 7
oxygen 8
flourine 9
neon 10
sodium 11
magnesium 12
aluminium 13
silicon 14
phosphorus 15
sulphur 16
chlorine 17
argon 18
thnx
hope it will help u
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