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Overall, the general trend is an increase across the period.

The decrease in shielding (as outer electrons are less influenced by the nucleus) is outweighed by an increased nuclear charge...

Acids are substances that dissolve in water to generate an excess of H⁺ ions. They react with bases to produce a salt and water. With metal carbonates, products include a salt of that metal (de...

Metals have a number of physical properties which make them useful to us in society, and which you will be familiar with from everyday experience. By considering the structure and bonding of metals whi...

Molecules are very small, much smaller than we can see with our eyes. For this reason, we can’t simply just count the number of molecules in a sample by looking at it. Even if we could, there are so ma...

Oxidation and Reduction forms the basis of Redox reactions - where electrons are exchanged between reactants to form new products.

Oxidation is the LOSS ...