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Matter
Vocabulary
Question | Answer |
---|---|
Anything that takes up space and has mass | Matter |
A body of matter with an indefinite shape and usually a larger size | Mass |
Particles are close together and slowly shake | Solid |
Particles are still close together but not in fixed positions | Liquid |
Particles are very spread out and move rapidly | Gas |
Any property used to characterize matter and energy and their interactions | Physical Property |
A property used to characterize materials in reactions that change their identity | Chemical Property |
The smallest unit of matter | Atom |
Number of protons in an atom of a given element | Atomic Number |
Number of protons plus the number of neutrons in an atom | Atomic Mass |
Center of the atom that has the protons and neutrons (heaviest part of the atom) | Nucleus |
Positive subatomic particle in the nucleus | Proton |
Neutral subatomic particle in the nucleus | Neutron |
Negative subatomic particle that is around the outside of the nucleus | Electron |
Ability to be flattened into a sheet; bendable | Malleability |
Ability to be stretched into a wire | Ductility |
Ability to react with another substance | Reactivity |
Horizontal rows on periodic table | Period |
Vertical columns on periodic table | Groups |
Temperature where solid turns to liquid | Melting Point |
Temperature where liquid turns to gas | Boiling Point |
Shiny, good conductors, malleable, ductility | Metal |
Like both metal and non-metal, shiny, malleable, semi-conductors | Metalloid |
Poor conductors, mostly gases, dull | Non-Metal |