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Chemistry > Period 3 > Flashcards

Period 3 Flashcards

1
Q

Give the equation of the reaction of Sodium with water

A

2Na + 2H2O -> 2NaOH + H2

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2
Q

Give the equation for the reaction of Magnesium with cold water

A

Mg + 2H2O -> MgOH + H2

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3
Q

Give the equation for the reaction of Magnesium with steam

A

Mg + H2O -> MgO + H2

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4
Q

Give the equation for the reaction of Chlorine with water

A

Cl2 + H2O -> HClO + HCl

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5
Q

Give the eqaution for the reaction of Chlorine with water in the presence of bright sunlight

A

2Cl2 + 2H2O -> 4HCl +O2

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6
Q

Give the equations of the reaction of Sodium with Oxygen and comment on its: bonding, solubility and acidity

A

2Na + 0.5O2 -> Na2O
2Na + O2 -> Na2O2

  • Ionic
  • Soluble
  • Alkali
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7
Q

Give the equation of the reaction of Magnesium with Oxygen and comment on its: bonding, solubility and acidity

A

2Mg + O2 -> 2MgO

  • Ionic
  • Soluble
  • Alkali
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8
Q

Give the equation of the reaction of Aluminium with Oxygen and comment on its: bonding, solubility and acidity

A

4Al + 3O2 -> 2Al2O3

  • Ionic with covalent character
  • Insoluble
  • Amphoteric
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9
Q

Give the equation of the reaction of Silicon with Oxygen and comment on its: bonding, solubility and acidity

A

Si + O2 -> SiO2

  • Covalent
  • Insoluble
  • Acidic
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10
Q

Give the equation of the reaction of Phosphorus with Oxygen and comment on its: bonding, solubility and acidity

A

P4 + 5O2 -> P4O10

  • Covalent
  • Soluble
  • Acidic
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11
Q

Give the equation of the reaction of Sulfur with Oxygen and comment on its: bonding, solubility and acidity

A

S + O2 -> SO2

  • Covalent
  • Soluble
  • Acidic
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12
Q

Name all the ionic period 3 oxides

A
  • Na2O / Na2O2
  • MgO
  • 2Al2O3 (covalent character)
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13
Q

Name all the covalent period 3 oxides

A
  • SiO2
  • P4O10
  • SO2
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14
Q

Name all the insoluble period 3 oxides

A
  • Al2O3
  • SiO2
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15
Q

Name all the soluble period 3 oxides

A
  • Na2O / Na2O2
  • MgO
  • P4O10
  • SO2
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16
Q

Name all the alkali period 3 oxides

A
  • Na2O / Na2O2
  • MgO
17
Q

Name all the amphoteric period 3 oxides

A
  • Al2O3
18
Q

Name all the acidic period 3 oxides

A
  • SiO2
  • P4O10
  • SO2
19
Q

Give the equation of the reaction of the oxide of Sodium with water

A

Na2O + H2O -> 2Na+ + 2OH-

20
Q

Give the equation for the reaction of the oxide of Magnesium with water

A

MgO + H2O -> Mg(OH)2

21
Q

Explain why the products of Magnesium oxide and Sodium oxide are alkali

A

O2- + H2O -> 2OH-

22
Q

Give the equation of the reaction of the oxide of Phosphorus with water

A

P4O10 + 6H2O -> 4H3PO4

23
Q

Give the equation for the reaction of Sulfur dioxide with water

A

SO2 + H2O -> H2SO3

24
Q

Give the equation of the reaction of Sulfur trioxide with water

A

SO3 + H2O -> H2SO4

25
Q

Give the equation of the reaction of the oxide of Sodium with an acid

A

Na2O + H2SO4 -> Na2SO4 + H2O

26
Q

Give the equation of the reaction of the oxide of Magnesium with an acid

A

MgO + 2HCl -> MgCl2 + H2O

27
Q

Give the equation of the reation of the oxide of Aluminium with an acid

A

Al2O3 + 6HCl -> 2AlCl3 + 3H2O

28
Q

Give the equation of the reaction of the oxide of Aluminium with a base

A

Al2O3 + 2NaOH + 3H2O -> 2NaAl(OH)4

29
Q

Give 4 equations for the reactions of oxides of Phosphorus with bases

A

H3PO4 + 3NaOH -> Na3PO4 + 3H2O
P4O10 + 12NaOH -> 4Na3PO4 + 6H2O
P4O10 + 6Na2O -> 4Na3PO4
P4O10 + 6MgO -> 2Mg3(PO4)2

30
Q

Give the equation of the reaction of an oxide of Sulfur with a base

A

SO2 + 2NaOH -> Na2SO3 + H2O

Chemistry (12 decks)

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