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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
15032 Views

Work out the value of 27 ^-2/3

In order to answer this question we should first break it down into simpler parts.

Using the law of indices we can start this process.

DW
47977 Views

What is the evidence for the Big Bang theory?

Absorption spectra from distant galaxies consist of bands of coloured light crossed with black lines. The wavelengths of these black lines are shifted towards the red end of the spectrum when compared wit...

AM
Answered by Aled M. Physics tutor
4806 Views

Describe the differences in Structure and properties of diamond and graphite

Both of these compounds are made purely of carbon. The differences come in the way in which the atoms are bonded together and the properties that this creates.In diamond, each atom is covalently bonded to...

PP
Answered by Phoebe P. Chemistry tutor
3381 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
2283 Views

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