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matter
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 |
particles are close together but not neat | Liquid |
particles are neat and organized | Solid |
particles are zooming around without stop | Gases |
a property that can only be observed by changing the identity of the substance | chemical property |
a property that can be observed without changing the identity of the substance | Physical property |
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 |
a row of the elements | period |
a column of the elements | groups |
melting point | |
boiling point | |
shiny, good conductors, malleable, ductility | metal |
like both metal and non-metal, shiny, malleable, semi-conductors | metelloid |
poor conductors, mostly gases, dull | non-metal |