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A sample of pure gold has a density of 19300 kgm^-3. If the density of a gold nucleus is 1.47x10^17Kgm^-3, discuss what this implies about the structure of the gold atom. [4 marks]

To gain all of the marks, 4 different points must be made. To begin, state what is obvious:

The density of the gold nucleus is much greater than the density of the gold atom.

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RL
Answered by Rebecca L. Physics tutor
11287 Views

How do I use "Essere" and "Avere" in the perfect tense?

First of all, in Italian the perfect tense has a precise structure:

-The auxiliary verb, essere or avere, in his present form (Io ho, tu sei, egli ha)

-The past participle, ...

FP
Answered by Filippo P. Italian tutor
7849 Views

How do I structure an essay?

One useful way of structuring an essay is to divide it into sections as follows:

Introduction: This should use words from the question and briefly summarise what you will argue/examine/di...

ME
4986 Views

How do I structure a good personal statement?

The opening of your statement should be a short sentence regarding your area of study. You should briefly explain what elemnts fascinate you within this subject and highlight some of your qualities. Re...

ME
4957 Views

How do you answer a long answer question on how buffer systems work?

1) First, state how the buffer is prepared by saying that an excess of acid reacts with a base (include the equation for this reaction)

b) Write the overall equation of t...

RS
Answered by Ritvij S. Chemistry tutor
3361 Views

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