subatomic particles - particles smaller than and inside the atom, proton - positively charged particle inside the nucleus, neutron - particle inside the nucleus without a charge, electron - negatively charged particle located on the orbits around the nucleus, quark - 3 of them are inside each proton, neutron, and electron , nucleus - makes up 98% of the mass of the atom, positively charged, isotopes - atoms of the same element, with different numbers of neutrons, atomic number - tells you the number of protons in an element's atom, atomic mass - this number is the total protons and neutrons, strong force - holds the nucleus together ,

Табло

Визуален стил

Опции

Шаблон за превключване

Възстановяване на авто-записаната: ?