Which of the following particles has more electrons than neutrons

Which of the following species has more electrons than protons and more protons than neutron?

Which of the following has more electrons than neutrons? (Mass number of Al, C, O and F is 27, 12, 16 and 19 respectively)

Which of the following has more electrons than neutrons?

Which of the following species has more number of electrons in comparison with the neutrons?

Which of the following particles - neutron, proton, electron and deuteron has the lowest energy if all have the same de Broglie wavelength

Which of the following particles is not present in all atoms : electron, proton, neutron ?