Comments

Xin Kang
Hi Xin Kang!!!=) Guess I'll just post mu comments here too... Well, Overall I think the answers are good and easy to understand butshould't the relative mass of electrons be 1/1840?0.0And i told you in school before but you explanation in Q.3 is Sulfide ion not Sulfur ion=) Please comment on my too!!The last comment is sure to get you 1 mark you know XD
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Helmi
Hi Helmi! Here are my comments for your answers. Firstly, i really like the picture from the website you posted in question 2(really clear and easy to understand)^^. Your answers are detailed and imformative. And of course it jolted my memory on anions which i had forgotton about.
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Fabian
Hi Fabian! Comments on your answers are here!=) For Q.5 your first comparision on why sodium is metal and sulfur a non-metal was very good i didn;t think of that answer before i read yours. For question 1 there are no problems with it but i would't hurt to list down to relative mass too.=)

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