Question

what name is given to this molecule? hydronium ion hydroxide ion glucose water methane

Explanation:

The hydronium ion ($H_3O^+$) has one oxygen atom and three hydrogen atoms with a positive charge. The molecule in the image has a similar structure with one central atom (oxygen - red) and three surrounding atoms (hydrogen - gray) and a positive charge. Hydroxide ion is $OH^-$, glucose has a more complex $C_6H_{12}O_6$ structure, water is $H_2O$ and methane is $CH_4$.

Answer:

A. hydronium ion