Lesson 3.1.3.1
3.1.3.1 Ionic bonding Quiz: AQA Chemistry, Unit 1
20 questions
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Lesson 3.1.3.1, Ionic bonding: 20 multiple choice questions for the AQA Chemistry (7405), Unit 1: Physical chemistry, written with Revision Ninja.
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The 20 questions
-
What is ionic bonding?
- Sharing of electron pairs between two non-metal atoms
- Electrostatic attraction between oppositely charged ions in a lattice
- Attraction between delocalised electrons and positive ions
- Attraction between permanent dipoles in neighbouring molecules
-
What is the charge on the sulfate ion?
- 2+
- 3-
- 1-
- 2-
-
What is the formula of ammonium nitrate?
- NH4(NO3)2
- NH4NO3
- NH3NO2
- (NH4)2NO3
-
What is the formula of calcium carbonate?
- Ca(CO3)2
- CaCO2
- CaCO3
- Ca2CO3
-
What is the formula of aluminium sulfate?
- Al2(SO4)3
- AlSO4
- Al3(SO4)2
- Al(SO4)3
-
What is the charge on a magnesium ion?
- +3
- +2
- +1
- -2
-
Which is the correct formula of magnesium nitrate?
- Mg(NO3)2
- Mg2NO3
- MgNO3
- Mg2(NO3)
-
An element in Group 6 forms a simple ion. What charge does the ion have?
- 1-
- 3-
- 2+
- 2-
-
What is the charge on an aluminium ion, which is in Group 3?
- -3
- +3
- +1
- +2
-
What is the formula of iron(III) oxide?
- FeO
- Fe3O2
- FeO3
- Fe2O3
-
What is the formula of lithium phosphate?
- Li2PO4
- Li(PO4)3
- Li3PO4
- LiPO4
-
What is the formula of the compound formed between magnesium and chlorine?
- MgCl3
- MgCl
- MgCl2
- Mg2Cl
-
What is the formula of potassium carbonate?
- KCO3
- K2(CO3)2
- K2CO3
- K3CO2
-
What is the formula of ammonium phosphate?
- NH3PO4
- NH4PO4
- (NH4)3PO4
- (NH4)PO4
-
What is the formula of aluminium oxide?
- Al3O2
- Al2O3
- AlO
- AlO3
-
Why do ionic compounds have high melting points?
- Delocalised electrons bind the lattice together strongly, so a large amount of energy is needed to melt it
- Strong electrostatic attraction between oppositely charged ions in the lattice needs a lot of energy to overcome
- Ions are held together by shared pairs of electrons that are very strong and directional in the lattice
- Ions are free to move through the lattice, so energy is needed to separate them from each other
-
Element X forms X3+ ions and element Y forms Y2- ions. What is the formula of the compound?
- X2Y3
- X3Y2
- X2Y6
- XY
-
Element Z forms Z2+ ions. Which is the correct formula of its nitrate?
- Z2NO3
- Z(NO3)
- Z2(NO3)3
- Z(NO3)2
-
Which compound contains both ionic and covalent bonds?
- NaOH
- MgO
- KBr
- NaCl
-
What is the formula of aluminium carbonate?
- Al(CO3)3
- Al3(CO3)2
- AlCO3
- Al2(CO3)3
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