Top answers

Chemistry
A Level

Why are teachers now saying electrons are in orbitals? I thought they moved around shells?

Unfortunately, every year in school you are told that something from the previous year was not completely true, and had in fact been simplified...one of the major examples of this is orbitals. While the e...

FM
Answered by Findlay M. • Chemistry tutor
1787 Views

What is the definition of structural isomerism and what are the different types?

Structural Isomerism: Molecules with same molecular formula and different structural formula.

Different types: Positional, chain, functional group

EA
Answered by Ellie A. • Chemistry tutor
2093 Views

How would you name complex organic compounds?

How many carbons are in the longest carbon chain?

Prefixes: meth- (1), eth- (2), prop- (3), but- (4), pent- (5), hex- (6)

What functional groups are present?

SJ
Answered by Sneha J. • Chemistry tutor
5110 Views

Explain why hydrogen bonding occurs between water molecules

Water molecules have a molecular formula of H2O. The O-H bond in water is a polar bond. This is because there is a big difference in electronegativity between the oxygen and the water. It is known that ox...

MA
15477 Views

Calculating the charge of a molecule e.g In NH4 what is the charge of the nitrogen atom?

For the atom which you want to calculate the charge determine the number of valence electrons a free atom usually has. this is the number of atom on the outer shell so for nitrogen, it has 5 valence atoms...

CM
8413 Views

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