Carbon atoms have an electron configuration of 2,4

 1.19 Deducing electron configurations  Students should: 1.19 understand how to deduce the electronic configurations of the first 20 element...

 1.23 Family resemblances Hydrogen is often listed above group 1 the Alkali metals. Although like group 1 atoms, hydrogen atoms have a ...

A shortened form of the periodic table showing the first 18 elements and their electron configuration.

 1.20 - 1.22 Activity 2. Periodic variations  Students should: 1.20 understand how to use electrical conductivity and the acid-base characte...

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Mychem is a web-based resource dedicated to supporting the tutoring, teaching and learning of chemistry. It includes animations, i...

 1.4 Activity 5 : Defining diffusion, diluting and dissolving Gases can diffuse into each other . This is because the particles in a gas are in a...

Particle theory explains why the smell of cooking in the kitchen can quickly be smelt by people in other rooms.

 1.3 Activity 4. A particular problem  Students should: 1.3 understand how the results of experiments involving the dilution of coloured sol...

The mass spectrum of boron

 1.17 Activity 2. Calculating relative atomic mass.  Students should: 1.17 be able to calculate the relative atomic mass of an element (Ar) ...

 1.16 Activity 1. Three types of carbon atom  Students should: 1.16 know what is meant by the terms atomic number, mass number, isotopes and...

We think that stone age / bronze age man discovered iron by accident . Man must have used fire and probably had a firepit which was used every da...

All these solutions contain transition metal compounds

Colourful compounds  Many transition metals have ions which have strong characteristic colours. For example: copper and iron. The metal copp...