Atoms
States of Matter
Properties of Matter
Mixture
Scientists
100
center of every atom
What is an atom?
100
definite shape and volume
What is a solid?
100
amount of matter something has
What is mass?
100
substances are evenly distributed
What is a solution?
100
said electrons orbit the nucleus like planets around the sun
Who is Bohr?
200
particle with positive charge
What is a proton?
200
no definite shape or volume
What is a gas?
200
amount of space something takes up
What is volume?
200
contains particles large enough to be seen
What is a suspension?
200
said atoms are mostly empty space
Who is Rutherford?
300
particle with negative charge
What is an electron?
300
definite volume; takes shape of its container
What is liquid?
300
mass divided by volume
What is density?
300
particles too small to see
What is a colloid?
300
called atoms "raisins in a plum pudding"
Who is Thomson?
400
particle with no charge
What is a neutron?
400
temperature at which a solid becomes a liquid
What is melting point?
400
conducts heat and electricity well
What is a metal?
400
pure substance made of only one kind of atom
What is element?
400
name given by scientists to atoms with the same number of protons but different numbers of neutrons
What is isotope?
500
how many protons are in an element
What is atomic number?
500
temperature where liquid changes to gas
What is boiling point?
500
bends easily
What is malleable?
500
made of atoms of 2 or more elements
What is compound?
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