Search over 10,000 free study notes

As you go across the period from left to right (excluding noble gases), electronegativity increases. This is because the nuclear charge increases (Atomic Number/number of protons) and atomic radius decrea...

Draw a diagram of PH₃Hybridisation: sp³

The First Law of Thermodynamics is that energy cannot be created or destroyed, it can only change from one form to another. For example, a boulder perched at the top of a hill has gravitational potential ...

A covalent bond is when the nuclei of two different atoms share a bonded pair of electrons.

Percentage yield is an experimental value calculated based on obtained results whereas atom economy is a theoretical value measured according to a balanced equation. Percentage yield shows the efficiency ...