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Period 3 Elements
AQA Chem 5 Period 3 Elements
69
Chemistry
12th Grade
05/29/2015

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Cards

Term
What would be observed when Sodium burns in oxygen?
Definition
Yellow flame
Term
What would be observed when Magnesium burns in oxygen?
Definition
white flame / white light
solid / powder / smoke / ash / white fumes
Term
What would be observed when Aluminium burns in oxygen?
Definition
White flame
Term
What would be observed when Silicon burns in oxygen?
Definition
White flame
White smoke
Term
What would be observed when Phosphorus burns in oxygen?
Definition
White flame
Smoke
Term
What would be observed when Sulphur burns in oxygen?
Definition
blue flame
fumes or misty or pungent/choking/smelly gas
Term
What is the equation for the reaction that takes place when Sodium burns in oxygen?
Definition
4Na + O2 -> 2Na2O
Term
What is the equation for the reaction that takes place when Magnesium burns in oxygen?
Definition
2Mg + O2 -> 2MgO
Term
What is the equation for the reaction that takes place when Aluminium burns in oxygen?
Definition
4Al + 3O2 -> 2Al2O3
Term
What is the equation for the reaction that takes place when Silicon burns in oxygen?
Definition
Si + O2 -> SiO2
Term
What is the equation for the reaction that takes place when Phosphorus burns in oxygen?
Definition
4P + 5O2 -> P4O10
Term
What is the equation for the reaction that takes place when Sulphur burns in oxygen?
Definition
S + O2 -> SO2
Term
What is the bonding in Sodium oxide?
Definition
Ionic
Term
What is the bonding in Magnesium oxide?
Definition
Ionic
Term
What is the bonding in Aluminium oxide?
Definition
Ionic
Term
What is the bonding in Silicon oxide?
Definition
Covalent
Term
What is the bonding in Phosphorus oxide?
Definition
Covalent
Term
What is the bonding in Sulphur dioxide?
Definition
Covalent
Term
What are the properties of Sodium?
Definition
Soft, silver, shiny
Conducts electricity
Term
What are the properties of Magnesium?
Definition
Soft, silver, shiny
Conducts electricity
Term
What are the properties of Aluminium?
Definition
Easily malleable, silver, shiny
Conducts electricity
Term
What are the properties of Silicon?
Definition
Hard, grey-blue solid
Partial conductor of electricity (check this)
Term
What are the properties of Phosphorus?
Definition
Red or white solid, low melting and boiling point
Doesn't conduct electricity
Term
What are the properties of Sulphur?
Definition
Yellow solid, low melting and boiling point
Doesn't conduct electricity
Term
What are the properties of Chlorine?
Definition
Green gas, low melting and boiling point
Doesn't conduct electricity
Term
What are the properties of Argon?
Definition
Colourless, odourless gas
Unreactive
Term
What are the observations when Sodium reacts with water?
Definition
Violent reaction
Hydrogen released
Term
What are the observations when Magnesium reacts with water?
Definition
Slow reaction
Hydrogen released
Term
What are the observations when Magnesium reacts with steam?
Definition
Fast reaction
Hydrogen released
Term
What are the observations when Chlorine reacts with water?
Definition
Chlorine dissolves
Hydrochloric acid formed
Chloric acid formed
Term
What is the equation for the reaction of Sodium with water?
Definition
2Na(s) + 2H2O(l) -> 2NaOH(aq) + H2(g)
Term
What is the equation for the reaction of magnesium with water?
Definition
Mg(s) + 2H2O(l) -> Mg(OH)2(aq) + H2(g)
Term
What is the equation for the reaction of magnesium with steam?
Definition
Mg(s) + H2O(g) -> MgO(s) + H2(g)
Term
What is the equation for the reaction of Chlorine with water?
Definition
Cl2(aq) + H2O(l) <=> HClO(aq) + HCl(aq)
Term
What are the properties of sodium oxide?
Definition
White
High melting point (1548K)
Term
What are the properties of the magnesium oxide?
Definition
White
High melting point (3125K)
Term
What are the properties of the Aluminium oxide?
Definition
White
High melting point (2345K)
Term
What are the properties of the Silicon oxide?
Definition
White
High melting point (1883K)
Term
What are the properties of the Phosphorus oxide?
Definition
Low melting point (573K)
Term
What are the properties of the Sulphur oxide?
Definition
Low melting point (200 for SO2, 290K for SO3)
Term
What is the structure of the sodium oxide?
Definition
Giant ionic
Term
What is the structure of the magnesium oxide?
Definition
Giant ionic
Term
What is the structure of the aluminium oxide?
Definition
Giant ionic
Term
What is the structure of the silicon oxide?
Definition
Giant covalent / Macromolecular
Term
What is the structure of the phosphorus oxide?
Definition
Molecular
Term
What is the structure of the sulphur oxide?
Definition
Molecular
Term
What is observed when the sodium oxide is reacted with water?
Definition
Strongly alkaline solution formed
pH 13-14
Term
What is observed when the magnesium oxide is reacted with water?
Definition
Weakly alkaline solution formed
pH 10
Term
What is observed when the aluminium oxide is reacted with water?
Definition
No reaction
Term
What is observed when the silicon oxide is reacted with water?
Definition
No reaction
Term
What is observed when the phosphorus oxide is reacted with water?
Definition
Strongly acidic solution produced
pH 0-1
Term
What is observed when sulphur dioxide is reacted with water?
Definition
Acidic solution produced pH 2-3
Term
What is observed when sulphur trioxide is reacted with water?
Definition
White foggy droplets of acid form pH 0-1
Term
What is the equation for reaction of water with the sodium oxide?
Definition
Na2O + H2O -> Na+ + 2OH-
Term
What is the equation/s for reaction of water with the magnesium oxide?
Definition
Mg + H2O -> Mg(OH)2
Mg(OH)2 -> Mg2+ + 2OH-
Term
What is the equation for reaction of water with the Aluminium oxide?
Definition
No reaction
Term
What is the equation for reaction of water with the silicon oxide?
Definition
No reaction
Term
What is the equation for reaction of water with the phosphorus oxide?
Definition
P4O10 + 6H2O -> 4H3PO4
Term
What is the equation/s for reaction of water with sulphur dioxide?
Definition
SO2 + H2O -> H2SO3
H2SO3 -> H+ + HSO3-
Term
What is the equation/s for reaction of water with sulphur trioxide?
Definition
SO3 + H2O -> H2SO4
H2SO4 -> H+ + HSO4-
Term
What is the equation for the reaction that occurs when sodium oxide reacts with hydrochloric acid?
Definition
Na2O + 2HCl -> 2NaCl + H2O
Term
What is the equation for the reaction that occurs when magnesium oxide reacts with sulphuric acid?
Definition
MgO + H2SO4 -> MgSO4 + H2O
Term
What is the equation for the reaction that occurs when aluminium oxide reacts with sulphuric acid?
Definition
Al2O3 + 3H2SO4 -> Al2(SO4)3 + 3H2O
Term
What is the equation for the reaction that occurs when aluminium oxide reacts with hot, concentrated sodium hydroxide (and water)?
Definition
Al2O3 + 2NaOH + 3H2O -> 2NaAl(OH)4
Term
What is the equation for the reaction that occurs when aluminium oxide reacts with hydrochloric acid?
Definition
Al2O3 + 6H+ -> 2Al3+ + 3H2O
Term
What is the equation for the reaction that occurs when aluminium oxide reacts with sodium hydroxide?
Definition
Al2O3 + 2OH– + 3H2O -> 2Al(OH)4–
Term
What is the equation for the reaction that occurs when silicon oxide reacts with hot, concentrated sodium hydroxide?
Definition
SiO2 + 2NaOH -> Na2SiO3 + H20
Term
What is the equation for the reaction that occurs when phosphorus oxide reacts with hot, concentrated sodium hydroxide?
Definition
12NaOH + P4O10 -> 4Na3PO4 + 6H2O
Term
What is the equation/s for the reaction that occurs when sulphur dioxide reacts with sodium hydroxide?
Definition
SO2 + NaOH -> NaHSO3
NaHSO3 + NaOH -> Na2SO3 + H2O
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