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Periodic Table
Vocabulary for Matter and Elements
| Term | Definition |
|---|---|
| Matter | Anything that has mass and takes up space. |
| Mass | The material that matter makes up of |
| Volume | How much room/space matter takes up |
| Density | D= m/v the amount of matter/stuff matter takes up within a specific space |
| Atom | The elements smallest part. Atoms building block |
| Electron | Particle of an atom, and has a negative charge. Moves around the nucleus. Has a force that lets it get together with other atoms forming everything everywhere. |
| Proton | Particle of an atom. Has a positive charge. Also, in a nucleus. |
| Neutron | Particle of an atom, and has no charge. |
| Periodic Table | A grid that shows all of the elements by their properties. |
| Element | A simple substance that doesn't break down and makes up everything in the world. |
| Periods/Rows | Rows that tell how many energy levels each element has. |
| Groups or family/ columns | Columns that tell how many valence electrons each element has. |
| Valence electrons | the electrons that move on the outer energy level of an atom. |
| Atomic number | how many protons an atom has. |
| Atomic mass | a measurement of mass for an atom. |
| Chemical property | A substance combining with another substance to form a new and different substance. |
| Physical property | State of matter and appearance of something. |
| Ionic bond | when elements share electrons during bonding |
| Covalent Bond | when elements share electrons during bonding |
| Chemical Change/ Reaction | elements bonds together through the attractive force of electrons creating a whole new and different substance. |
| Compound/ Molecule | |
| Mixture | |
| Nobel Gases | |
| Halogens | |
| Alkali Metals | |
| Metalloids |