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Describe the difference in melting points for the elements Sodium and Magnesium

With these sort of questions, it's important to firstly think about what type of bonds make up the structure of the element. For this example, they both have metallic bonds which hold the structures toget...

MS
Answered by Myles S. • Chemistry tutor
17169 Views

How do we control the concentration of urine?

Osmoregulation is the homeostasis of water in the body. It is important that water volumes are kept relatively constant as this influences electrolyte concentrations and cell activity.

AB
Answered by Adam B. • Biology tutor
2624 Views

What are the elements of a criminal offence?

When deciding whether or not someone is guilty of a criminal offence, the Court will look for three elements: actus reus or a 'guilty act', mens rea or a 'guilty mind', and novus act...

DE
Answered by Dominic E. • Law tutor
14690 Views

What does the term "Semi-conservative" mean in relation to DNA?

DNA is a double stranded helix. During DNA replication, the strands are separated from each other (using an enzyme called DNA helicase). The unzipped DNA strands then utilize another enzyme, known as DNA ...

CA
Answered by Catherine A. • Biology tutor
4179 Views

How successful did Edward IV control his nobility in his first reign?

The years 1461-70 saw a long-term shift in power in the nobility, which Edward IV, an effective King, had no trouble in monitoring. The difficulty Edward IV faced from the beginning was the result of turm...

AA
Answered by Annabel A. • History tutor
9229 Views

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