Physical Science chapt 2
Terms
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- pure substance
- simply a substance
- element
- a substance that can't be broken down
- compound
- substance made of two or more elements
- mixture
- a collection containing a variety of sorts of things
- viscosity
- resistance of liquid flow
- malleable
- an object to be hammered and not shattered
- conductivity
- the ability to allow heat to flow
- distillation
- process used to separate mixture .the process of purifying a liquid by boiling it and condensing its vapors
- filtration
- the act of changing a fluid by passing it through a filter
- physical change
- A change in size, shape, or state of matter
- chemical change
- a change that produces matter with a different composition than the original matter
- reactivity
- the ability of a substance to combine chemically with another substance
- flamability
- ability to burn
- proton
- positively charged particle
- electron
- negatively charged particle
- neutron
- no charge
- atomic number
- number of protons
- atomic mass
- the average mass of all the isotopes of an element
- solution
- a homogeneous mixture of two or more substances
- suspension
- a heterogeneous mixture that separates into layers over time
- colloid
- heterogeneous mixture whose particles never settle
- solid
- a three-dimensional shape
- liquid
- smooth and flowing in quality
- gas
- No definite shape or volume