| A | B |
|---|
| Ni | nickel |
| Au | Gold |
| Ag | Silver |
| Atom | Smallest particle of an element |
| Atomic Number | # of Protons |
| chemical Formula | Symbols & numbers in a compound |
| Chemical Reaction | Yields a new substance(s) |
| Covalent Bond | Bonds atoms together by sharing electrons |
| Electrons | Negatively charged subatomic particles |
| Neutrons | No charge in these subatomic particles |
| Protons | Positively charged subatomic particles |
| Glucose | Simple Sugar |
| Group | A column in the periodic table |
| Period | A row in the periodic table |
| Nucleus | Central core in an atom |
| Mixture | Substances not chemically combined |
| Reactant | Substances entered into a chemical reaction |
| NaCl | Table Salt |
| Product | The substance(s) formed as a result of a chemical reaction |
| Ice Melting | Physical Change |
| Water | Has 2 hydrogen atoms |
| Carbon Dioxide | Has 2 oxygen atoms |
| Photosynthesis | A Chemical Equation |
| Na + Cl | Reactants to make salt |
