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Cracking is the process of breaking large Hydrocarbon molecules into smaller ones. This is carried out to refine fuels and increase the yeild in petrolium refining.
The atomic mass is made up of all the protons and neutrons (which together form the nucleus) which each have a mass of approx. 1g. Therefore if the mass of the element is 19g and it has 9 protons (proton ...
Cao
Cao + H20 --> Ca(OH)2
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 ...
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