Lesson 2A.1
2A.1 Ionic bonding and ionic radii Quiz: Pearson Edexcel Chemistry, Unit 2
20 questions
In partnership with Revision Ninja
Lesson 2A.1, Ionic bonding and ionic radii: 20 multiple choice questions for the Pearson Edexcel Chemistry (9CH0), Unit 2: Bonding and Structure, written with Revision Ninja.
Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.
The 20 questions
-
What holds oppositely charged ions together in an ionic lattice?
- Electrostatic attraction
- Delocalised electrons
- Shared electrons
- Hydrogen bonding
-
Which ion of magnesium is formed when a Mg atom loses two electrons?
- Mg2-
- Mg2+
- Mg-
- Mg+
-
Which combination creates the strongest ionic bonding?
- Smaller ions, higher charges
- Larger ions, lower charges
- Larger ions, higher charges
- Smaller ions, lower charges
-
Which species is isoelectronic with Na+?
- Ne
- Cl
- Ar
- Mg
-
What is the electron configuration of the O2- ion?
- 1s2 2s2 2p4
- 1s2 2s2 2p6 3s2
- 1s2 2s2 2p2
- 1s2 2s2 2p6
-
Which observation confirms ions exist in molten sodium chloride?
- Conducts electricity
- It sublimes directly
- Remains an insulator
- Dissolves in hexane
-
Which of N3-, O2-, F- and Na+ has the largest ionic radius?
- F-
- Na+
- N3-
- O2-
-
Which ion has the smallest radius among Al3+, Mg2+, Na+ and F-?
- Na+
- Mg2+
- Al3+
- F-
-
Which compound has the strongest ionic bonding?
- MgO
- NaF
- NaCl
- KCl
-
Which electron configuration is correct for the Al3+ ion?
- 1s2 2s2 2p4
- 1s2 2s2 2p6
- 1s2 2s2 2p6 3s2
- 1s2 2s2 2p6 3s2 3p1
-
Why do ionic radii increase down Group 1?
- Increased proton count
- Decreasing nuclear charge
- Fewer inner electrons
- Extra electron shell
-
Between isoelectronic N3- and Al3+, which has the larger radius?
- Al3+
- N3-
- Neither exists
- Both are equal
-
Sulfur atoms form ions with what charge in forming sulfide?
- 2-
- 2+
- 4+
- 6-
-
What is the formula of the ionic compound formed from aluminium and oxygen?
- Al2O
- Al3O2
- Al2O3
- AlO
-
What is the formula of magnesium nitride?
- Mg3N2
- Mg2N3
- Mg3N
- MgN
-
Why is ionic bonding in MgO stronger than in NaCl?
- More electron shells
- Larger ionic radii
- Fewer total electrons
- Higher ionic charges
-
An ion X2+ has 10 electrons. What is the formula of its fluoride?
- MgF
- MgF3
- Mg2F
- MgF2
-
Among isoelectronic O2-, F-, Na+, and Mg2+, which has the largest radius?
- O2-
- Na+
- F-
- Mg2+
-
Put these ionic radii in order of decreasing size: Na+, Mg2+, Al3+.
- Al3+ > Mg2+ > Na+
- Na+ > Mg2+ > Al3+
- Mg2+ > Na+ > Al3+
- Na+ = Mg2+ = Al3+
-
Why do Group 2 oxides have higher melting temperatures than Group 1 oxides?
- 2+ and 2- charges
- 1+ and 2- charges
- 2+ and 1- charges
- 1+ and 1- charges
Related quizzes
- Covalent bonding and molecular shapes Quiz · 2A.2 · 20 questions
- Electronegativity and bond polarity Quiz · 2A.3 · 20 questions
- Intermolecular forces and anomalous properties of water Quiz · 2A.4 · 20 questions
- Solvents and metallic bonding Quiz · 2A.5 · 20 questions
- Giant lattices, molecular and carbon structures Quiz · 2B.1 · 20 questions
- Predicting structure and physical properties Quiz · 2B.2 · 20 questions
- Sub-atomic particles, isotopes and relative masses Quiz · 1.1.1 · 20 questions
- Dynamic equilibrium and the equilibrium constant Kc Quiz · 10.1.1 · 20 questions
- Kp and partial pressures Quiz · 11.1.1 · 20 questions
- Brønsted-Lowry acids, bases and conjugate pairs Quiz · 12.1.1 · 20 questions