9 The Periodic Table: chemical periodicityAS Level

9.1 Periodicity of physical properties of the elements in Period 3

2 of 2 objectives have lessons · 0 studied · 0 secure

Lessons

Physical properties of Period 3 elements — radius, melting point, conductivityHow atomic radius, ionic radius, melting point and electrical conductivity vary across Period 3, and why the changes reflect the shift from metallic to covalent bonding. 6 min, not started

Syllabus objectives

2 objectives

What Cambridge says you should be able to do, in our words. Codes are the topic number plus the objective’s position.

9.1.1

Describe qualitatively (and indicate the periodicity in) the variations in atomic radius, ionic radius, melting point and electrical conductivity of the elements.

Taught in: Physical properties of Period 3 elements — radius, melting point, conductivity · 2 questions

9.1.2

Explain the variation in melting point and electrical conductivity in terms of the structure and bonding of the elements.

Taught in: Physical properties of Period 3 elements — radius, melting point, conductivity · 4 questions