Periodic Table/Elements/Atoms, Periodic Table/Elements/Atoms, Properties of Atoms & The Periodic Table, Volume of cubes and rectangular prisms, Tessellations, Package Design, Electricity, Engineering, American History, Rock and Roll, Sports Trivia, M...
nucleus of atom
number of protons in an atom
total mass of protons and neutrons
smallest unit of matter
the positively charged center of an atom ... (made of protons a…