Matter

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