Edexcel IAL Chemistry 3.SP1 Ion migration practical

Describe the wetted support or U-tube, electrode placement and direct-current supply, then link the blue colour movement toward the cathode to positive ion charge.

Exam points

Describe an ion-migration setup and link coloured Cu2+ movement to the cathode.

[Maximum number: 1]

This question is about the bonding in the elements of Period 3 in the Periodic Table. The melting temperatures of the Period 3 elements are shown in the table.

Table for Question 3.10—Covalent bonding is the strong electrostatic attraction between two nuclei and the shared pair of electrons between them question 1 — Edexcel A-Level Chemistry AS

In the elements silicon, phosphorus, sulfur and chlorine, the atoms are joined by covalent bonds.

Describe the attraction between the atoms in a covalent bond.

All question bank results loaded

3.10—Covalent bonding is the strong electrostatic attraction between two nuclei and the shared pair of electrons between them question 1