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Sc 8th Objective 3
Chemistry
| Question | Answer |
|---|---|
| is anything that has mass and takes up space. | Matter |
| is the ability to do work or cause change | Energy |
| is one or more of ONE type of atom bonded together | element |
| occurs when 2 or more elements are chemically bonded together in a set ratio. | compound |
| Two or more substances that are mixed together but not chemically combined. | mixture |
| can be observed without changing the substance into something else | physical property |
| is observed when a substance interacts with another substance | chemical property |
| 54) A change that alters the form or appearance of a material but does not make the material into another substance. | physical change |
| A change in matter that produces new substance is called a_______ or a chemical reaction. | chemical change |
| is a measurement of how much matter an object contains and can be measured with a triple beam balance | Mass |
| The amount of space matter occupies is called________ and it can be measured best using a graduated cylinder | volume |
| is a physical property that relates the mass and volume of an object or material | Density |
| is the smallest particle of an element | atom |
| The force that holds two or more atoms together. | chemical bond |
| There are three__________ ________ in an atom; protons, neutrons, and electrons | subatomic particles |
| of an element is the number of protons located in the nucleus of an atom | atomic number |
| atomic mass of an element is the total number of ________ and neutrons in the nucleus of an atom. | protons |
| is a small, positively charged particle found in the nucleus of an atom | proton |
| is a high-energy, negatively charged particle that moves in the space outside of the nucleus of an atom | electron |
| is a small, uncharged particle found in the nucleus of an atom. | neutron |
| Most of an atom’s mass is found in its nucleus, while most of an atom’s volume is found out of the _______ | nucleus |
| Horizontal rows on the periodic table | periods |
| are the substances that enter into a chemical equation | reactants |
| are the substances formed during a chemical equation. | products |
| The transfer of heat through direct physical contact. | conduction |
| is the direct transfer of energy by electromagnetic waves and does not require direct physical contact. | Radiation |
| The transfer of heat by movement of currents within a liquid or gas. | convection |
| Vertical columns on the periodic table | groups |
Created by:
HBend
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