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As you descend the group, the reactions become more vigorous, more exothermic and have a higher rate of reaction. Lithium will just gently fizz and produce a gas, sodium will melt into a ball shape and fi...

As the number of negatively charged electrons is equal to the number of  positively charged protons, therefore the overall charge is zero

Methylamine is CH₃NH₂, and phenylamine is C₆H₅NH₂.

In methylamine, the methyl group exerts a positive inductive effect on the nitrogen atom in...

Work out what they know 

how are shells arranged?

how do electrons arrange themselves within the shells?

how many electrons per shell?

types of shells

how to write the a...