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Here is a summary on the steps to complete these question types. 

1. Determin oxidation numbers 2. Figure out what is being oxidised and what is being reduced. 3. Write half equations. 4. Balanc...

An atoms is composed of a central NUCLEUS, with ELECTRONS occupying shells, moving around the nucleus.

The nucleus is composed of PROTONS and NEUTRONS.

The PROTON...

Answer First a wire loop is cleaned with diluted hydrochloric acid, which is then dipped into the sample metal or solution. This is then held over an open flame and the colour emitted is ...

The moles is the amount of a substance that we are measuring, its like measuring how many coins I have in my pocket, but instead how many atoms of an element we have.  We use the equation moles=mass/RMM t...

Each element has a unique number of protons. For example, every carbon atom contains 12 protons. The number of neutrons can differ for each "form" of the same element - this is known as an isoto...