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Periodicity:As you move across the row the atomic number increases, ie an additional proton is added for each additional element, this is what makes them different elements rather than isotopes of the sam...
Define cis and trans alkenes:Carbon to carbon single bonds can freely rotate to give a carbon chain that can take on a number of shapes (this is to do with the overlap of p - orbitals to ...
Magnesium in a metal, whereas oxygen is a non metal - therefore magnesium oxide is formed by an ionic bond (if it were 2 non metals it would be a covalent bond). It is important to understand that atoms p...
In an exothermic reaction, energy is released from the system and into the surroundings, the system loses energy so the surroundings gain energy. The surroundings gain energy as heat and therefore there i...
Covalent molecules such as oxygen and ozone absorb different ranges of UV light mainly due to differences in the types of bonds that make up their structure. It is therefore useful to first consider the L...
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