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Atoms
________- smallest particles that maintain the properties of an element.
Matter
________- anything that has mass and volume.
Compounds
________- made of 2 or more elements combined chemically.
Matter
anything that has mass and volume
Elements
substances that cannot be separated into any other substance
Atoms
smallest particles that maintain the properties of an element
Compounds
made of 2 or more elements combined chemically
matter
anything that has mass and volume
solids, liquids, gases, plasmas
what are the states of matter
elements
substances that cannot e separated into any other substance
atoms
smallest particles that maintain the properties of an element
compounds
made of two or more elements combined chemically
compounds
which pure substance has their own unique properties
compounds
Properties of what pure substance are different from the properties that make it up
compounds
which pure substance is always found in a fixed ratio
false, compounds can only be separated chemically
true or false: compounds can be separated physically
atoms
elements are made of...
molecules
compounds are made of...
protons
give elements its identity (have a positive charge)
protons
what cannot be taken away from or added to atoms
electrons
tell us how the element might bond with other elements (negative charge)
electrons
what gives us an elements properties based on how many and where they are
by increasing number of protons
how is the periodic table organized
118
how many known elements are there on the periodic table
Note
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