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17 Cards in this Set
- Front
- Back
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Half-Life
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The time it takes for half the radioactive nuclei in a sample to decay.
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Nuclear Fusion
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The joining together of two or more nuclei to form a heavier nucleus of a new element.
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The energy formula for spectra
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E=hV
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Dative Covalent Bond
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A covalent bond where both electrons come from the same atom. E.g. An ammonium ion.
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A molecule with four bonding pairs is .... shape
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tetrahedral (109 degree angles)
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Pattern for melting point across a period
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Increase and then decrease
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Metal + Water ->
M + 2H20 -> |
Metal Hydroxide + Hydrogen
M(OH)2 + H2 |
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Metal Oxide + Water ->
MO + H2O |
Metal Hydroxide
M(OH)2 |
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Metal Oxide + Acid ->
MO + H2SO4 |
Salt + Water
MSO4 + H2O |
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Metal Hydroxide + Acid ->
M(OH)2 + 2HCl -> |
Salt + Water
MCl2 + 2H2O |
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Metal Carbonate ->
MCO3 -> |
Metal Oxide + Carbon Dioxide
MO + CO2 |
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Solubility of hydroxides going down the group
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Increasing
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Solubility of carbonates going down the group
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Decreasing
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Thermal stability of carbonates going down the group
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Increasing
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V.I.A.D.D
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Steps of Mass Spectrometer:
Vaporise Ionise Accelerate Drift Detect |
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Molecular Ion Peak
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The peak with the greatest mass. This is the molecular mass of the compound
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Base Peak
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The most intense peak.
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