What Am I?
It takes 2000 of me to equal the mass of either of my subatomic partners but I make up most of the volume of the atom.
What is an electron?
The two particles that are the same number in a neutral atom.
What are protons and electrons.
Not as reactive as the metals in groups one and two, the transition metals contain the most familiar metals like gold and silver and represents these groups.
What are Groups 3 through 12?
What is a theory? Name and example.
Widely accepted hypothesis based on research by many scientists. Atomic theory shows a model of the arrangement and charge of electrons, protons, and neutrons.