9 questions
The nucleus of an atom contains which subatomic particles?
protons and electrons
protons and neutrons
electrons and neutrons
protons, electrons, and neutrons
Which subatomic particle is counted to determine the type of element the atom represents?
proton
neutron
electron
boron
Which subatomic particle has a negative charge?
Proton
Neutron
Electron
Atom
Which subatomic particles are said to have mass?
Proton
Neutron
Electron
Quarks
How many neutron are in the atom "K"?
29
19
58
20