Element
Atomic Symbol
Nucleus
Matter
Compound
Periodic Table
Electrons
Neutrons
Atoms
Atomic Number
Protons
Atomic mass
Positive
Atom
Isotopes
Molecule
Part of the atom that is found outside the nucleus with a negative charge.
Part of the atom that is found inside the nucleus and contains all of the atoms positive charge.
A basic substance that can't be simplified. EX: H2O
Anything that takes up space and has mass is...
The smallest particle of an element.
Two or more atoms that are chemically joined together (can only contain one type of atom).
Building blocks of matter.
Part of the atom that contains 99.9 percent of the atoms mass and is made of protons and neutrons.
The overall charge of the nucleus.
A molecule that contains more than one type of element. EX: H2O or NaCl
A chart that organizes the elements based on their chemical property.
Part of the atom that is located in the nucleus and has no electric charge.