Top answers

Chemistry
A Level

Using principles of structure and bonding, explain why sulfur has a higher melting point than phosphorus

Sulfur, which is naturally S8 has more electrons than Phosphorus, which is naturally P4. Therefore the Van der Waals between molecules is stronger in Sulfur than it is in Phosphorus,...

Answered by Dalvin S. Chemistry tutor
24262 Views

What is meant by the term 'Electronegativity'

Electronegativity, as denoted by the Greek letter 'chi', is the tendency of an atom to attract bonding electrons within a covalent bond. Let us unravel what this means. The term electronegativity may only...

Answered by Yeshurun T. Chemistry tutor
2726 Views

Describe how you could distinguish between ethanol, ethanoic acid, ethyl bromide and 2-methylpropan-1-ol.

First, you should add sodium hydrogen carbonate to all three compounds. Ethanoic acid will react with this to release a gas which will turn limewater cloudy.
Second, you should add acidified potassi...

Answered by Emma W. Chemistry tutor
5022 Views

Briefly describe the nature of three types of intramolecular bonding and two types of intermolecular bonding (drawings encouraged)

The terms intra- and intermolecular bonding refers to bonds formed between atoms within molecules and between two or more molecules respectively. Intramolecular bonding would be: ionic, covalent and metal...

Answered by Tutor121314 D. Chemistry tutor
1964 Views

Magnesium is in Group 2 of the Periodic Table. It has a number of naturally occurring isotopes, including 24Mg and 26Mg. (a) (i) Explain, in terms of the subatomic particles in the atoms, why 24Mg and 26Mg are isotopes.

Both isotopes of magnesium have 12 protons as shown by Mg's proton number in the periodic table.
By definition an isotope is an atom with the same number of protons but differs in its number of neutr...

Answered by Lewis C. Chemistry tutor
8019 Views

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