The density of Jupiter's core is:
half the density of Earth's core.
100 times the density of Earth's core.
60 million times the density of Earth's core.
twice the density of Earth's core.
3 million times the density of Earth's core.

i need more info to answer

because the two particles have an equal charge, the charges will cancel out and give the atom an overall charge of 0. so, if at atom has 35 protons in the nucleus, we could expect it to have 35 electrons orbiting that nucleus.