Question

Хімічний елемент, що міститься у складі вуглекисного газу і має валентність IV​

Answer 1

углекислый газ:

(4)(2)

CO2

в скобках указана валентность

значит элемент C

Answer 2

Chemical Element in Carbon Dioxide with Valency IV

The chemical element that is present in the composition of carbon dioxide and has a valency of IV is carbon.

Carbon dioxide (CO2) is composed of one carbon atom and two oxygen atoms. The valency of carbon in carbon dioxide is IV, meaning it can form four chemical bonds.

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