Bonding, structure and the properties of matter

3 quick checks≈3% of the testCore

Reading is free. Sign in to tick off lessons, keep your place and track your mastery.

By the end you’ll be able to

Explain ionic bonding by electron transfer, draw dot-and-cross diagrams for ionic compounds, and relate giant ionic lattices to high melting points and conductivity when molten or dissolved
Explain covalent bonding in simple molecules (H₂, Cl₂, O₂, N₂, HCl, H₂O, NH₃, CH₄) and why simple molecular substances have low melting points and do not conduct

0% read

Explain metallic bonding, the properties of metals, and why alloys are harder than pure metals

Use the particle model to explain the three states of matter and changes of state, predict states from melting and boiling point data, and describe the limitations of the model

This lesson hasn’t been written yet

Combined Science lessons are written from the official syllabus the first time a learner opens them, then saved for everyone. Sign in and this one is written for you in a minute or two. It’s free.

Sign in Create a free account