Matter Vocabulary 2-Green words

is the smallest unit of matter

are the negatively charged subatomic particles

is equal to the number of protons minus the number of electrons of an atom.

A table that shows the elements, their atomic number, symbol, and average atomic mass.

a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound

consists of one type of atom

are the particles of the nucleus that have no charge

are any of more than 100 substances that cannot by ordinary chemical means be separated into different substances

is the center of an atom

are the positively charged subatomic particles