Question

which element has 79 protons? rhodium, rh gold, au selenium, se scandium, sc

Explanation:

In the periodic table, the atomic number (the number at the top of each element's box) represents the number of protons in an atom of that element. Looking at the given elements: Rh (rhodium) has an atomic number of 45, Se (selenium) has an atomic number of 34, Sc (scandium) has an atomic number of 21, and Au (gold) has an atomic number of 79.

Answer:

gold, Au