What is an Atom? (Everything is made up of atoms (Electrons keep moving in…
What is an Atom?
Everything is made up of atoms
Atoms are the smallest unit of everything.
Electrons keep moving in shells outside the nucleus, each shell contains a fixed number of electrons.
Atoms are always trying to refill their shells.
The outermost shell of an atom is called the valence shell.
Atoms bond with other atoms to form a molecule with the valence electrons in the valence shell.
Parts of an atom
equally as heavy of protons
orbiting around the nucleus
The meaning of the word atom
can't be cut
Atoms are so tiny that they can only be seen by machines.