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Compounds,Mixtures, and Chemical Bonds
Read the following descriptions and determine whether it is describing a compound or mixture
14 cards·by dlallen2
physical science
Can be separated only by chemical means
compound
Made of 2 or more substances physically combined
mixture
substances keep their own properties
mixture
can be separated by physical means
mixture
substances lose their own properties
compound
have a definite chemical composition
compound
Electrons have a ____ electrical charge.
negative
When an atom loses electrons, it becomes a _____ ion.
positive
An ______ forms when one atom takes an electron from another atom.
ionic bond
Particles with opposite electrical charges ______ each other.
attract
A _______ is a solid that contains atoms arranged in a regular pattern..
crystal
In most atoms, the ________ energy level is not completely filled.
outermost
In a covalent bond, electrons are ______.
shared
In an ionic bond, electrons are _______.
given/taken