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The electronic configuration is 1s2,2s2,2p6,3s2,3p6,3d9 (or [Ar]3d9); as the electronic configuration of the neutral copper is [Ar]3d10,4s1, which is unusual and differs from most transition metal ions.

I would recommend drawing both molecules to identify the key functional groups and relative sizes of the two molecules before attempting to write an answer. Answer: Ethanol molecules have hydrogen bonding...

In order to understand how to calculate the carrying capacity of humans, we first need to understand which factors limit growth. These include population, natural resources, agricultural production, and i...

The main point of writing an exam essay is to always come back to the question - start your introduction by answering the question and refer to it in every paragraph. You should aim for three main points ...

This question is taken from the 2018 A-Level paper which I sat last year and achieved 59/60.
English at A-Level is challenging because it requires an acute understanding of the Literature but also ...