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Molar Mass (M)
The mass per mole of a substance. g mol^-1
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Anhydrous
A substance containing no water molecules.
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Hydrated
Crystalline and containing water molecules.
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Water of crystallisation
Water molecules that form an essential part of the crystalline structure of a compound.
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Orbital
A region within an atom that can hold up to 2 electrons with opposite spins.
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Hydrogen bonding
A strong dipole-dipole attraction between an electron deficient hydrogen atom on one molecule and a lone pair of electrons on O, N or F of a different molecule.
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Periodicity
A regular periodic variation of properties of elements with atomic number and position in the Periodic Table.
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Disproportionation
The oxidation and reduction of the same element in a redo reaction.
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Base
A species that is a proton acceptor.
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Electron pair repulsion theory
Electron pairs repel each other and the number(and type) of electron pairs around the central atom determines the shape of a covalent molecule.
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Other cards in this set

Card 2

Front

A substance containing no water molecules.

Back

Anhydrous

Card 3

Front

Crystalline and containing water molecules.

Back

Preview of the back of card 3

Card 4

Front

Water molecules that form an essential part of the crystalline structure of a compound.

Back

Preview of the back of card 4

Card 5

Front

A region within an atom that can hold up to 2 electrons with opposite spins.

Back

Preview of the back of card 5
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