Matter and mixtures
Heterogenous mixture
What is a type of mixture in which the individual substances are not evenly mixed
States of matter
Double points for the 4th
Solid, liquid, gas
Plasma
Physical or chemical? Change in shape
Physical
Melting
Solid to liquid
Parts of the atom
Electrons, neutrons, and protons
Homogenous mixture
A type of mixture in which the individual substances are evenly mixed.
The measurement of a liquid’s resistance to flow
Physical or chemical? Release of gas
Chemical
Freezing
Liquid to solid
Mass number
Sum of numbers of protons and neutrons in an atom
Matter
The stuff that takes up the space of an object
Surface tension
The uneven particles on the surface of a liquid
Physical or chemical? Change in size
Physical
Boiling
Liquid to gas
Atomic number
Number of protons in an atom of an element
Mixture
Melting
Solid —> Liquid
List all chemical changes
Change in color, light, smell, giving off or taking in heat, gases released, can’t be undone
Condensation
Gas to liquid
Isotopes
Atoms of the same element that have different numbers of neutrons
Substance
Deposition
Gas —> Solid
Physical or chemical change? Change in color
Both
Sublimation
Solid to gas
Ions
An atom that is no longer neutral because it has gained or lost electrons