C2- bonding and structure Flashcards

1
Q

metallic bonding (2)

A

metals and alloys

metallic structure held together by electrostatic forces between the lattice of positive ions and delocalized electrons

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2
Q

ionic bonding(4)

A

Metals and non metals
Electrons are transferred from metal to non metal forming ions
Giant ionic lattice held together by strong electrostatic forces between positive and negative ions
When dissolved/molten they do conduct electricity

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3
Q

forming ions

A

metals lose electrons forming positive ions

non metals gain electrons forming negative ions

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4
Q

melting point

A

at this temperature:
solids melt
liquids freeze

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5
Q

boiling point

A

at this temperature:
liquids boil
gases condense

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6
Q

Stronger bonds

A

More energy to overcome

high melting/boiling point

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7
Q

weaker bonds

A

less energy to overcome bond

lower melting/boiling point

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