Skip to content

Course home

Sign up

2.2 Bonding

EasyMediumHard
12345678910111213141516171819202122
Question 10
F

A student draws a dot and cross diagram for calcium chloride, CaCl2\mathrm{CaCl_{2}}CaCl2​. Only the outer shell electrons are shown.

Which description of the diagram is correct?

[1]
A

1 chloride ion, a Ca2+\mathrm{Ca^{2+}}Ca2+ ion, 8 outer electrons on each chloride ion

B

2 chloride ions, a Ca2+\mathrm{Ca^{2+}}Ca2+ ion, 7 outer electrons on each chloride ion

C

2 chloride ions, a Ca2−\mathrm{Ca^{2-}}Ca2− ion, 8 outer electrons on each chloride ion

D

2 chloride ions, a Ca2+\mathrm{Ca^{2+}}Ca2+ ion, 8 outer electrons on each chloride ion

Markscheme

2.2 Bonding Questions

  1. GCSE
  2. /Chemistry
  3. /2.2 Bonding

64 exam-style questions on OCR GCSE Chemistry 2.2 Bonding, covering 2.2.1 Metals, non-metals and the Periodic Table, 2.2.2 Types of chemical bonding and dot and cross diagrams, 2.2.3 Limitations of bonding models, and 2.2.4 Reactivity, atomic number and the modern Periodic Table. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank