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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...

To solve equations like this we need to get the equation in terms of one trigonometric function, ie one of sin(x), cos(x) or tan(x)

It is usually easiest to get everything in terms of wha...

Hybridisation is a chemical phenomenon that occurs in certain atoms, whereby atomic orbitals 'mix' or 'hybridise' from their usual arrangement to form a more energetically-favourable orbital arrangement. ...

A coordinate bond is a covalent bond in which both the electrons in the shared pair are donated from one atom (the donor). The properties of the covalent bond are exactly the same as a no...

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...