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chemistry
acids and bases
ionic bonding
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Created by
Lilly Boudlet
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Cards (7)
What is an ion?
A
charged
atom or molecule that has lost or gained
electrons
What charge do all metal ions form?
Positive
(as they always lose
electrons
)
What does reduction mean in terms of electron transfer?
Gain of electrons (
OIL RIG
)
What does oxidation mean in terms of electron transfer?
Loss of electrons
(OIL RIG)
How do we write the symbol for electrons in an ionic half-equation?
e-
What are the key features of an ionic dot and cross diagram?
The (
outer
)
shells
of
ions
are filled in so they have
full outer shells
The ions are surrounded by
square brackets
[]
The
ionic charge
is on the top right (e.g. 2+)
What is an ionic bond?
An
electrostatic
attraction between two oppositely-charged
ions
, that form when
electrons
are transferred.