Chemistry, 26.08.2020 01:01 wilboisa000

Consider three elements A B and C all of which have atomic numbers of less then 20. The atomic number of A is x, and the atomic number of B is three less than the atomic number of A Element A forms cations with formula A+ and reacts with element C to form a solid substance with the formula AC

What is element A
Which group does element C belong to

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Consider three elements A B and C all of which have atomic numbers of less then 20. The atomic numbe...

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