Help. it's multiple choice. idk what it is

Mathematics

1 answer:

kykrilka [37]3 years ago

8 0

Answer:

Barium, Strontium and Beryllium

Explanation:

There are 18 groups in the periodic table and the previous 3 all belong to the same group, group 2 the alkali metals

Silicon is group 14, the carbon group

Aluminum is in the boron group, group 13

Osminium is in the group 8 transition metals

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