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What is electronegativity?

"Electronegativity is the power of an atom to attract the electron density in a covalent bond to itself " In order to understand electronegativity we must understand that electrons orbit the nucleu...
TD
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What is meant by the term genotype and how does this differ from the phenotype?

The genotype of an organism is the combination of alleles, different copies of a gene at the same locus, (from the mother and father) that give rise to a particular trait whereas the phenotype is the observa...
LS
Answered by Lucy S. • Biology tutor
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Factorise fully 2x^2 -x -4=2 and thus solve for x

Recall that to solve a quadratic it needs to be in the form ax 2 + bx +c = 0, Subtract 2 from each side to get 2x 2 -x-6=0 therefore a=2 b=-1 and c=-6 Solve by considering factors c and a that expand out to ...
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Answered by Lucy S. • Maths tutor
3204 Views

Describe the structure and properties of graphite

Graphite is made from layers of carbon which contain many 6-membered carbon rings (hexagonal). Each layer is held together by each carbon being covalently bonded to 3 other carbon atoms and this leaves a del...
LS
Answered by Lucy S. • Chemistry tutor
7288 Views

What is the time complexity of Bubble Sort?

had problems before interview with submitting this and have therefore no longer got my answer, however was able to complete the interview successfully with the answer
BI
Answered by Ben I. • Computing tutor
1872 Views