| Term | Definition |
|---|---|
| Matter | Anything that takes up space and has mass |
| Mass | The material the matter is made of |
| Volume | How much Room/Space an object takes up |
| Density | The amount of stuff matter takes up within a specific space |
| Atom | smallest part of an element |
| Electron | particle of an atom with a negative charge |
| Proton | part of the atom with a positive charge |
| Neutron | Particle of an atom with a neutral charge |
| Periodic table | Large grid that identifies and classifies all of the elements |
| Element | The simplest substance that can not be broken down |
| Valence Electrons | The electrons that move on the outer shell |
| Atomic number | how many protons has inside the nucleus |
| Atomic Mass | The measurement of the mass for an elements atom |
| Chemical property | The ability of substances to combine with one another creating a new substance |
| Physical property | The states of matter and apperences |
| ionic bond | When elements lose or gain an electron during bonding |
| Covalent bond | When elements share electrons during bonding |
| Chemical change | When 2 substances form together to create a new substance |
| Mixture | two or more substances chemically combined but do not make a new substance |
| Nobel Gasses | The most stable elements because they have 8 electrons |
| Alkali Metals | They are very reactive because they have 1 valence electron |
| Metalloids | 3-7 valence electrons |
