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Science (Red House)
Ch 18 & 19 Test on Matter
| Question | Answer |
|---|---|
| State of matter with a definite shape and definite volume | Solid |
| The number of protons in the nucleus of an atom | Atomic Number |
| Description of an item that you can use your senses to figure out | Physical Property |
| Positively charged particle, found in the nucleus of an atom | Proton |
| Heavy particle found in the nucleus of an atom, but has no charge (neutral) | Neutron |
| Negatively charged particle, found outside of the nucleus and is involved in bonding of atoms | Electron |
| Charge of the entire nucleus of an atom | Positive |
| Combination of atoms that are chemically combined and cannot be taken apart by physical means (or easily) | Compound |
| Combination of atoms that can be taken apart easily, by physical means | Mixture |
| Charged atom, formed by having different numbers of electrons | Ion |
| Atom with different numbers of neutrons; some are radioactive | Isotope |
| State of matter with no definite shape and has a definite volume | Liquid |
| State of matter with no definite shape and no definite volume | Gas |
| Basic building block of matter | Atom |
| Most common state of matter in the universe | Plasma |
| Simplest form of matter made of one type of atoms | Element |
| Grid organization of elements | Periodic Table |
| Type of chemical bonds where two or more atoms share electrons ("holding hands") | Covalent |
| Number of protons + neutrons in the nucleus of the atom | Mass Number |
| Center of an atom | Nucleus |
| Type of chemical bonds where two or more ions with opposite charges are attracted to each other | Ionic |
| Description of an item that explains what an object CAN do chemically | Chemical Property |
| Event that changes the size and shape, but not the make-up, of an object | Physical Change |
| Makes a new substance that can be seen by (1) a color change, (2) forming bubbles, or (3) creating a new substance | Chemical Change |
| Letters that represent an element | Symbol |
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7th_kms
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