Bra6ujdaddo Bra6ujdaddo

28-01-2016
Chemistry

contestada

Which of the following elements is considered to be non-reactive?
A. hydrogen
B. helium
C. rubidium
D. calcium

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Аноним Аноним

28-01-2016

Best Answer : the answer is D or C....I will get back to u on that

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