Please help me! Just with these few, and I will mark brainliet!

Which statement accurately describes how electrons are arranged in Bohr's atomic model?

electrons travel randomly in the large space outside the nucleus
electrons travel around the nucleus in fixed energy levels with varying energies electrons travel around the nucleus in fixed energy levels with equal amounts of energy
electrons vibrate in fixed locations around the nucleus

Which statement about subatomic particles are true?

protons, neutrons, and electrons all have about the same mass
electrons have no mass, but protons and neutrons have mass
neutrons do not have a charge or mass
protons, neutrons, and electrons have a mass, but electrons have far less mass


Metallic bonds form between

cations and protons
anions and protons
cations and anions


Which of the following has the highest melting point?

metallic compound
ionic compound
covalent compound
cations and electrons