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Matter5
Class Note's
| Question | Answer |
|---|---|
| anything that takes up space. | matter |
| the amount of matter in something | mass |
| the amount of space something occupies | volume |
| firm, hard compact substance. | solid |
| composed molecules moving freely among each other. | liquid |
| a substance which reaches its state off of liquid water | gas |
| any property used to characterize matter. | Physical Property |
| a characteristic of a substance reaction | Chemical Property |
| smallest unit of matter | atom |
| number of protons in a atom | atomic number |
| number of protons plus the number of neutrons | atomic mass |
| center of an atom | nucleus |
| positive subatomic particle in the nucleus. | proton |
| neutral subatomic particle in the nucleus. | neutron |
| negative subatomic particle in the nucleus. | electron |
| ability to be flattened into a sheet. | malleability |
| ability to be stretched into a wire | ductility |
| ability to react with another substance. | reactivity |
| horizontal rows of a periodic table | period |
| vertical lines on a periodic table | groups |
| when a solid transforms into a liquid. | melting point |
| the state in which a liquid turns into a gas. | boiling point |
| shiny, good conducters. | metal |
| like both metal a non-metal. | metalloid |
| poor conducters | non-metal |