What is the charge on a hypothetical ion with 25 protons and 22 electrons?

The charge  on a hypothetical ion with 25 protons and 22 electrons is +3.

Explanation:

Atomic number is defined as the number of protons or number of electrons that are present in an atom in an electrically neutral atom.

Atomic number = Number of electrons = Number of protons

Given : Number of protons = 25

Number of electrons = 22

When an atom looses its electron, it results in the formation of a positive ion which is known as cation and when an atom gains electron, it results in the formation of a negative ion known as anion.

Thus if an atom has 25 protons and 22 electrons that means it has 3+ charge as there are 3 extra protons as compared to electrons.

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a). in this case, dh> 0 and sd> 0. if t becomes larger, the term "-tds" will become more negative. at some point, it is possible that -dts will be more negative than the dh is positive, and the reaction will become spontaneous. this is probably the correct answer, but you should look at all of the other possibilities and make sure of that.