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"Matter"

QuestionAnswer
anything that has mass and takes up space Matter
a characteristic of a substance that can be observed property
a property that can be observed without changing the identity of the substance physical property
the temperature at which a substance changes from a solid to a liquid at a given pressure water=0'C melting point
the temperature at which a substance changes from a solid to a liquid at a given pressure water=100'C boiling point
a property that can only be observed by changing the identity of the substance chemical properties
is the amount of mass per unit of volume(can be used to identity a substance) Density
not easily compressed, rigid, doesn't flow easily, retains a fixed volume or shape Solid
flows easily, takes shape of the container which it occupies, little free space between particle Liquid
compressible, lots of free space between particles, particles can move past one another, assumes the shape and volume of its container Gas
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 proton 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
a change that occurs without changing the identity of the substance physical change
a change that occurs by changing the identity of the substance chemical change
when 2 or more substance are combined physically mixture
when 2 or more substances are combined chemically and can't be separated by physical means compound
a change that occurs without changing the identity of the substance physical change
a change that occurs by changing the identity of the substance chemical change
when 2 or more substance are combined physically mixture
when 2 or more substances are combined chemically and can't be separated by physical means compound
parts are mixed evenly throughout (same) Homogeneous mixture
parts are uneven throughout (different) Heterogeneous mixture
type of mixture where the solute is dissolved/mixed evenly in the solvent Solution
the part of the solution that dissolves solute
the part of the solution that the solute dissolves in solven
Created by: berrezuetaai
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