Science 1
a mixture where the substances are evenly spread out
homogeneous
a mixture in wich the particles are spread throughout the liquid or gas but are to lage to stay mixed
suspensions
a substance that has a definite physical and chemical properties
pure substance
a way to determine wether a compound is acidic, basic, or neutral
PH
a mixture that does not have a uniform composition
heterogeneous
a solid that is hard and shiny and can conduct electricity
metal
an element whose properties are between metal and non - metal
metalloids
the number of protons in the nucleus of an atom
atomic number
a pure substance made up of only one type of atom
element
an element that is not metal
non - metal
an abreviation that represents an element
chemicl symbol
a submatomic particle that has no charge
neutron
basic building blocks of matter
atoms
submatomic particle that have a positive electric charge
proton
a subatomic particle that has a negative charge
electron
when two or more of the same molecules stick together
cohesion
when two or more different molecules stick together
adhesion
an object made up of different kinds of atoms that are chemically combined
compound
a variety of elements and compounds that are not chemically combined
mixture
a particle made up of two or more atoms that are joined chemically
molecule
a characteristic that when changed it changes the substance
chemical property
who is one of the youngest kids in the grade but one of the tallest
TANNER
where one substance is mixed into another
solution
a third type of mixture whose particles do not settle out quickly
colloids
a characteristic that can be change without changing the substance
physical property