1
Q
Nucleus
A
central part of an atom, made up of protons and neutrons; roundish structure inside a cell that acts as the control centre for the cell. Plural = nuclei.
2
Q
Protons
A
positively charged particles found in the nucleus of an atom
3
Q
Neutrons
A
particles with no electrical charge that are found in the nucleus of an atom
4
Q
Electrons
A
negatively charged, very light particles in an atom. Electrons move around the nucleus of the atom.
