Question

what would be the result of increasing the number of protons in an atom by 1?
o the atom would have a negative charge.
o the atom would weigh less.
o the atom would be a different element.
o the atomic number would decrease.

Explanation:

The number of protons in an atom determines its atomic number and thus its identity as an element. Increasing the number of protons by 1 changes the atomic number and makes it a different element. Protons are positively - charged, so increasing them doesn't give a negative charge. Protons contribute to mass, so increasing them doesn't make the atom weigh less. And increasing protons increases the atomic number.

Answer:

The atom would be a different element.