Question

please send me the answers ​

Answer 1

Explanation:

option 4

not sure .... .. .

Answer 2

Answer:

The chalcogens (/ˈkælkədʒɪnz/) are the chemical elements in group 16 of the periodic table. This group is also known as the oxygen family. It consists of the elements oxygen (O), sulfur (S), selenium (Se), tellurium (Te), and the radioactive element polonium (Po).

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Explanation:

option a