PLS HELP ME

If correct I will mark brainlest

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom

Solubility would be your answer.

The correct answer is:   bri hope this answer was ! : )