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Chemistry, 02.12.2020 20:00 emmanuel96

18/VIIIA (this is a box) 'this means it small ('2 'helium' He '4)
('10 'neon' Ne '20)
('18 'argon' Ar '40)

this section of the periodic table is called an?
A. group
B. period
C. series
D. set.


18/VIIIA (this is a box) 'this means it small ('2 'helium' He '4)('10 'neon' Ne '20)('18 'argon'

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18/VIIIA (this is a box) 'this means it small ('2 'helium' He '4)
('10 'neon' Ne '20)
('1...
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