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Periodic Table
Vocab for Matter and Elements
| Term | Definition |
|---|---|
| *Matter | Anything that has mass and takes up space. |
| Mass | The material that matter is made up of. |
| Volume | How much room/space matter takes up |
| Density | D = mass divided by volume The amount of material/stuff matter takes up within a specific space. |
| *Atom | The smallest part on an element, The building blocks of all matter. |
| *Electron | The particle of an atom that surrounds the nucleus with a negative charge and attractive force that allows it to band with other atoms creating everything in the universe. |
| *Proton | A particle of an atom with a positive charge found inside the nucleus. |
| *Neutron | A particle of an atom with no charge found inside the nucleus along with the proton |
| *Periodic Table | A large grid that identifies and classifies all of the elements by their chemical and physical properties. |
| *Element | A substance that can't be broken down / they make up all matter in the universe. |
| *Periods/Rows | Rows that tell you how many energy levels each element has for the electrons to move around. |
| *Groups or family/columns | Columns that tell how many valance electrons each element has |
| *Valance electrons | The electrons move in the outer shell of an atom |
| *Atomic number | How many protons and neutrons are inside the nucleus |
| *Atomic Mass | The measurement of the mass for an elements atoms |
| *Chemical Property | The ability of substances to combine with one another forming new and different compounds and molecules |
| *Physical Property | The state of matter and appearance of a substance |
| Ionic Bond | when elements either lose or gain an electron during bonding |
| Covalent Bond | when elements share electrons during bonding |
| *Chemical change/reaction | Elements bond together through the attractive force of electrons creating some type of reaction and change |
| *Compound/molecule | Two or more elements combine together creating a whole, new and different substance |
| *Mixture | Two or more substances mixed together keeping their original properties |
| *Nobel Gasses | All of the elements in Group #18~ they have 8 electrons in their outer shell and are the most stable |
| *Halogens | All of the elements in Group #17~ they have 7 balance electrons and are very reactive bonding easily with elements in Group #1 |
| *Alkali Metals | All of the elements in Group #1~they only have one valance electron so they are very reactive |
| Metalloids | They have 3-7 valance electrons. Elements between metals and non-metals that can react either way |
| *Endothermic | Chemical reaction that absorbs thermal energy. |
| Exothermic | The production cold. |
Created by:
jacifowler
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