| Date | November 2016 | Marks available | 1 | Reference code | 16N.3.sl.TZ0.3 |
| Level | SL | Paper | 3 | Time zone | TZ0 |
| Command term | State | Question number | 3 | Adapted from | N/A |
Question
Materials science involves understanding the properties of materials and applying those properties to desired structures.
Magnesium oxide, MgO, and silicon carbide, SiC, are examples of ceramic materials. State the name of the predominant type of bonding in each material.
[1]
a.
Predict the predominant type of bonding for a binary compound AB in which the electronegativity of both atoms is low. Use section 29 of the data booklet.
[1]
b.
Markscheme
MgO: ionic AND SiC: covalent
Accept “covalent network/network covalent” for “covalent” but not just “network”.
a.
metallic «bonding»
b.
Examiners report
[N/A]
a.
[N/A]
b.
