Chemistry

3. A subatomic particle with no charge, they are in the nucleus of the atom and they give the atom weight, too many or two few make the atom unstable.
4. Symbol a representation of an element using one or two letters.
5. A negatively charged subatomic particle. They can leave an atom or be given to another atom, their movement is what makes matter reactive.
7. Substance a type of matter defined by a unique particle.
8. a code that represents the number and kinds of atoms in one particle of a substance.
9. Number The number of protons in an atom.
11. a fundamental substance that cannot be broken into simpler substances by chemical or physical processes

1. Name the name of a substance based on everyday language, such as baking soda or rubbing alcohol.
2. A positively charged subatomic particle. They define the atom and are in the nucleus of an atom.
4. Reaction a process during which the atoms of starting substances (reactants) rearrange to form new substances (products).
6. Name the name chemists use for a substance, which contains the names of the elements in that substance.
7. Table of the Elements an organization of the elements based on chemical properties
9. Mass The number of protons plus the number of neutrons in an atom.
10. anything that has mass and takes up space.