Related: Past Papers Topical Questions IGCSE Physics AS Chemistry Grade Boundaries Command Words

8. The Periodic Table

Cambridge IGCSE Chemistry (0620) · 7 topics

The Periodic Table

Periods and Groups The Periodic Table arranges all known elements in order of increasing proton number (atomic number) , in horizontal periods and vertical…
Periodic Trends

Why Elements in the Same Group Behave Similarly Elements in the same group have the same number of outer-shell electrons . Since chemical properties are…
Group I Properties

The Alkali Metals: Lithium, Sodium, Potassium Group I contains the alkali metals . The syllabus focuses on the first three: lithium (Li), sodium (Na) and…
Group VII Properties

The Halogens: Chlorine, Bromine, Iodine Group VII contains the halogens . The syllabus focuses on chlorine (Cl), bromine (Br) and iodine (I) - reactive diatomic…
Group VII Displacement Reactions

Halogen Displacement Reactions A more reactive halogen will displace a less reactive halogen from a solution of its halide. Since reactivity decreases down the…
Transition Elements

Properties of Transition Elements Transition elements occupy the central block of the Periodic Table (e.g. Sc to Zn, including iron, copper, and platinum). As…
Noble Gases

Group VIII: Unreactive, Monatomic Gases The noble gases (Group VIII/0: helium, neon, argon, krypton, xenon, radon) are unreactive and exist as single, separate…