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matter130
Question | Answer |
---|---|
anything that has mass and takes up space. | matter |
the amount of matter in something | mass |
the amount of space something occupies | volume |
stable in shape,not liquid does not contain space or gaps | solid |
flowing freely but of constant volume | liquid |
air like fluid that expands freely to fill any spaces available | gas |
property that can be observed without changing the identity of the substance | physical property |
property that can only be observed by changing the identity of the substance | chemical property |
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 |
amoun of mass per unit of volume. | density |
positively charged subatomic particles | proton |
neutrally charged subatomic particles | neutron |
smallest unit of matter that retains the identity of the substance | atom |
subatomic particle with negative charges and no mass. | electron |