Priorities of Oxidation states
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Groups 1,2&3 have Oxi no of +1,+2&+3 respectively.
Flourine=-1
Hydrogen~+1
Oxygen ~-2
Chlorine~-1
Atomic number
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, Number of protons in an element
Chemical properties of group 17
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Gain 1 electron=1-Anions. Ease to gain electron decreases Down group as
shielding & atomic radius increases. React directly with metals & Non-metals.
Displacement (redox) ease increases up group, react in non-polar solvents.
Oxidising agents F is best at gaining electrons.
Electronegativity
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Ability of atom to attract electrons to itself in a covalent bond.
Aliphatic
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A compound containing carbon and hydrogen in straight chains branched
chains or non-aromatic rings.
,Arrangement of atoms on the periodic table
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Increasing atomic number
Periods showing repeating physical/chemical properties
Groups have similar chemical properties
Standard enthalpy change of reaction
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Enthalpy change when the amount in moles of the substances in the equation
as written react under standard condition.
Acid + Metal
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Acid + Metal 》Salt + Hydrogen (REDOX)
Temp effect on Kc
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, Sulfur dioxide reaction= as temp increases more reactants are made so MORE
REACTANTS= SMALLER Kc. So as temp rises Kc DECREASES.
Halide ion test with NaCl (Ionic equation)
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Ag (+)(aq) + Cl (-)(aq) 》AgCl (s)
Why are there sometimes line after the parent peak?
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They are a result of carbon 13 isotope and isn't considered when identifying a
compound
Electronegativity trends
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Increases across period
Decreases down groups
Carbonate ion test
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Groups 1,2&3 have Oxi no of +1,+2&+3 respectively.
Flourine=-1
Hydrogen~+1
Oxygen ~-2
Chlorine~-1
Atomic number
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, Number of protons in an element
Chemical properties of group 17
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Gain 1 electron=1-Anions. Ease to gain electron decreases Down group as
shielding & atomic radius increases. React directly with metals & Non-metals.
Displacement (redox) ease increases up group, react in non-polar solvents.
Oxidising agents F is best at gaining electrons.
Electronegativity
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Ability of atom to attract electrons to itself in a covalent bond.
Aliphatic
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A compound containing carbon and hydrogen in straight chains branched
chains or non-aromatic rings.
,Arrangement of atoms on the periodic table
Give this one a try later!
Increasing atomic number
Periods showing repeating physical/chemical properties
Groups have similar chemical properties
Standard enthalpy change of reaction
Give this one a try later!
Enthalpy change when the amount in moles of the substances in the equation
as written react under standard condition.
Acid + Metal
Give this one a try later!
Acid + Metal 》Salt + Hydrogen (REDOX)
Temp effect on Kc
Give this one a try later!
, Sulfur dioxide reaction= as temp increases more reactants are made so MORE
REACTANTS= SMALLER Kc. So as temp rises Kc DECREASES.
Halide ion test with NaCl (Ionic equation)
Give this one a try later!
Ag (+)(aq) + Cl (-)(aq) 》AgCl (s)
Why are there sometimes line after the parent peak?
Give this one a try later!
They are a result of carbon 13 isotope and isn't considered when identifying a
compound
Electronegativity trends
Give this one a try later!
Increases across period
Decreases down groups
Carbonate ion test
