What properties do protons and electrons share

Charge  and spin

Explanation:

Your instructor is probably expecting you to say "charge ".

In one sense that is correct. Both particles have a charge, but that on a proton is 1+ while on an electron it is 1-.

There is one property they have in common that is identical: they both have spin ½.

"a connection, a bond or common feeling between two people", or as a chemical process it stimulates love or sexual attraction

no, the red giant is the hottest with 2.00.000.000 degrees celsius. while the white dwarf only 25,000 degrees celsius.