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Chemistry Cards
Unit #1
| Question | Answer |
|---|---|
| A way for scientists to organize information about all of the elements that we know about according to their properties. | The Periodic Table |
| This is the name that scientists call the element. | Element Name |
| The number of protons AND the number of electrons contained in one atom of the element. | Atomic Number |
| The number of protons and neutrons in the nucleus of one atom of an element. | Atomic Mass |
| An abbreviation for a chemical element. These always have one capital letter and are based on the element’s Latin name. | Chemical Symbol |
| A ROW in the periodic table (moves from left to right) | Period |
| A column in the periodic table (moves up and down). | Group/family |
| The study of matter and how it changes | Chemistry |
| Located in the nucleus of the atom. They have a neutral charge | Neutrons |
| Anything that is made of atoms. It has mass and volume (takes up space) | MATTER |
| Located in the electron cloud of the atom. They have a negative charge | Electrons |
| The smallest unit of an element that has all the properties of the element. It’s the basic building block of matter | Atom |
| Any substance that has a definite composition. | Chemicals |
| A substance that cannot be broken down into a simpler substance by ordinary chemical means | Element |
| Chemicals that are found in nature. | NATURAL |
| Located in the nucleus of the atom. They have a positive charge | Protons |
| Chemicals that are made by people | SYNTHETIC |
| Two or more elements that have chemically combined | Compounds |
| A metal bonded to a nonmetal | Ionic compounds |
| A combination of two or more substances that HAVE NOT been chemically combined. | Mixture |
| Bonds that form when two metals SHARE electrons | Metallic bonds |
| Bonds that form when two nonmetals SHARE electrons | Covalent bonds |
| A mixture that looks the same throughout. | Homogenous |
| A mixture where you can see the different pieces. | Heterogenous |
| A substance made by dissolving one substance in another | SOLUTION |
| The stuff that is dissolved | SOLUTE |
| The substance that does the dissolving | SOLVENT |
| A substance’s ability to dissolve in a solvent | Solubility |
| The amount of matter something contains | Mass |
| The amount of space it occupies | Volume |
| Measurable physical property that is found by dividing the mass of an object by its volume | Density |
| Cannot change its shape or its volume. The particles fit together and don’t move around | Solid |
| Can change its shape but not its volume. The particles are close together and stay touching when they move | Liquid |
| Can change its shape and its volume. The particles are moving really quickly and bounce off each other | Gas |
| Matter characterized by very energetic electrically charged particles | Plasma |
| The temperature at which a solid changes to a liquid | Melting Point |
| The temperature at which a liquid changes into a solid | Freezing Point |
| The temperature at which a liquid changes into a gas | Boiling Point |
| The amount of energy it takes to change the temperature of a substance by 1 degree Celsius | Specific Heat |
| Metals are able to be hammered into thin sheets and made into shapes | Malleability |
| Metal materials are able to stretched into wire without breaking | Ductility |
| A force of attraction or repulsion of materials | Magnetism |
| The ability of an object to transfer heat or electricity to another object | Conductivity |
| A material that doesn’t conduct heat or electricity | Insulator |
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