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a) Partially filled/incomplete d shell.
b) Light is absorbed by an electron, exciting it and is promoted to a higher energy d orbital. The colour seen is the complimentary colour of that absorbed (in...

0.025 dm^3 x 0.1 mol dm^-3 = 0.0025 molsince mols must be equal:mols of HCl = 0.0025/0.01 =250cm^3To get to the answer I would first check the student was first able to identify the key words and numbers ...

Here are the steps you need to follow when you are writing about a prose passage in German: 1) When close-reading the passage the first time: Get a first impression of the text a...

English only has one verb 'to be', but Spanish has two: 'ser' and 'estar'. This can be confusing, but it is important to know the difference as they have different uses and can change the meaning of the w...

Define a price ceiling as a maximum price that a seller is allowed to charge for a good or service. Examples include rent controls and medication.Assume that we are currently at an equilibrium where p=p* ...