subject
Chemistry, 12.09.2019 22:30 hailey5129

Atomic
mass
period
group/
family
element
name
fill in the chemical symbol.
hydrogen ch )
(metal
(wait until
(rounded)
1
helium he
4
18
no
caloumi
argon (ac)
potassium lk
chlorine tl
oxygen 20
magnesium 19.
scandium 60
nitrogen
carbon

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Answers: 1

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