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Matter
Elements
Measurement
Molecule Identification
Density
100
anything that has mass and takes up space
What is matter?
100
this particle has a positively charged nucleus surrounded by a cloud of negative charge
What is an atom?
100
this tells you the elements and number of atoms
What is a chemical formula?
100
H2O
What is water?
100
measure of mass in a given volume
What is density?
200
the study of matter
What is chemistry?
200
a substance that cannot be broken down any further
What is an element?
200
this measures the force of gravity on an object
What is weight?
200
O2
What is oxygen?
200
density = mass _____________ by volume
What is divided?
300
a property of matter that can be observed without changing it into another substance
What is physical property?
300
two or more elements joined together
What is a compound?
300
the amount of space an object occupies
What is volume?
300
H2O2
What is hydrogen peroxide?
300
the common unit of measurement for density
What is g/cm3?
400
a property of matter that describes its ability to change into a different substance
What is chemical property?
400
two or more atoms joined together
What is a molecule?
400
the amount of matter in an object
What is mass?
400
NH3
What is ammonia?
400
mass = 108 g and volume = 12 cm3 so density = ?
What is 9 g/cm3?
500
this type of matter is pure and always has the same composition and properties
What is a substance?
500
the attraction force between atoms that joins them together
What is a chemical bond?
500
SI is the abbreviation for...
What is International System of Units?
500
C6H12O6
What is glucose?
500
liquid water and ice are both H2O, but ice floats in water... what must be true about density?
ice is less dense than water