what is matter
the amount of matter in an object
what is Mass?
pure substances that cannot be broken down into any simpler substances
what is elements
what is the atomic number for potassium
what is 19
the Measurement of how hot or cold something is
what is Temperature
buoyancy causes wood chips to split in
what is water
the measurement of the pull of gravity on an object
what is weight
a ______ is a substance formed from the chemical combination of two ore more elements that then act as an unique substance
what is compound
H is the atomic symbol for what element?
what is hydrogen
_____ Occurs when a substance changes directly from a solid to a gas without going through a liquid state
what is Sublimation
a block of cheese has is 6.9 wide 15 meters long and 4.2 meters tall what is its volume
434.7
the amount of space that matter takes up
what is volume
an ______ is the smallest particle of an element that still has the same chemical properties
what is atom
what is the atomic symbol for astatine
what is At
_____ is the process by which a liquid changes to a gas
What is Vaporization
pressure is the force ____ by the gas
what is exerted
a definite shape that occupies a definite amount of space
what is solids
who was the man who did the gold foil experiment
who was ernest rutherford
what is the atomic number for Osmium
what is 76
what are the different types of mixtures
what is suspension,emulsion,and colloid
the compound of iron and sulfur
what is iron pyrite
_____ take up a definite amount of space but do not have a definite amount of space
what is a liquid
what are the components of a atom
what are proton,neutron,electron
what is the atomic number and symbol for Ununseptium
what is Uus and 117
____,a homogeneous mixture of one substance dissolved
what is solution
these to men where the first to talk about the atomic theory
Who where aristotle and democritus