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

Question

3 years ago

12

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

Chemistry

1 answer:

Aleksandr-060686 [28] · Answer 1 · 2022-01-13T04:15:55+03:00

Aleksandr-060686 [28]3 years ago

6 0

Answer:

LiH

A is lithium

group 1 or 7