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H
hydrogen
hydrogen
H
H atomic number
1
H atomic mass
1.008
He
helium
helium
He
He atomic number
2
He atomic mass
4.00
Li
lithium
lithium
Li
Li atomic number
3
Li atomic mass
6.94
Be
beryllium
beryllium
Be
Be atomic number
4
Be atomic number
9.01
B
boron
boron
B
B atomic number
5
B atomic mass
10.81
C
carbon
carbon
C
C atomic number
6
C atomic mass
12.01
N
nitrogen
nitrogen
N
N atomic number
7
N atomic mass
14.01
O
oxygen
oxygen
O
O atomic number
8
O atomic mass
16.00
F
fluorine
fluorine
F
F atomic number
9
F atomic mass
19.00
Ne
neon
neon
Ne
Ne atomic number
10
Ne atomic mass
20.18