Decide which element probably forms a compound with hydrogen that has a chemical formula most and least similar to the chemical formula of the compound formed by hydrogen and oxygen.

Question

13-01-2021
Chemistry

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Decide which element probably forms a compound with hydrogen that has a chemical formula most and least similar to the chemical formula of the compound formed by hydrogen and oxygen.

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pstnonsonjoku pstnonsonjoku · Answer 1 · 2021-01-16T03:05:34+01:00

The question is incomplete, the complete question is shown in the image attached to this answer

Answer:

Most similar - sulphur

least similar- gallium

Explanation:

The compound formed when hydrogen reacts with oxygen is water. The chemical formula of water is H2O.

Water is very similar to H2S which is the compound formed when hydrogen reacts with sulphur. The bonds in water and H2S are both polar covalent bonds.

However, gallium is a metal and its hydride (GaH3) is least similar to water.