12 Days of Chemical Calculations – 3
Empirical Formula A compound contains 59.4% carbon, 10.9% hydrogen, 13.9% nitrogen and 15.8% oxygen by mass. Find the empirical formula of the compound…
Chemistry
This week in science
Very exciting news this week from chemistry as the hydrogen atom’s electron was photographed for the first time, the image below really shows the shape of the orbital very clearly. For more information click the […]
Displacement reactions
Quick question from a student… How do displacement reactions work … Also, how does it ‘replace’ the less reactive element???? We’ve studied displacement reactions before, by looking at reactions of metals. More reactive metals will […]
What’s new on Chemstuff!
There have been many updates to Chemstuff over the past couple of months. Some of the highlights include… Major updates to the Year 7, Year 8 & Year 9 pages to reflect the changes in […]
Struggling with shells after Calcium
As we’ve just finished looking at electronic structure I found a beauty of a periodic table showing all the electron shells for all of the elements in the periodic table as “dot & cross” diagrams. […]
The Nobel Prize in Chemistry 2012
This year’s Nobel prize for chemistry has just been announced. The Nobel prize is an award for a piece of research or work over a period of time which has changed the way scientists think about their […]
What else has existed on earth in all three phases…
Organic chemistry (things we can do with fossil fuels) is such a fascinating and important branch of the chemical sciences, in its simplest terms it involves looking at carbon based compounds and their reactions. Your task […]
Euro 2012 Kickoff
With the start of Euro 2012, today’s post looks at Buckyballs. A Buckyball is a compound made only of carbon in the form of a sphere, looking much like a football! Buckyballs are types of […]
Things you may have missed on chemstuff…
Over the past few weeks there have been several updates to the chemstuff pages which you may have missed. The pages for year 7, year 8 and year 9 have all been updated with more […]
Chemistry of money
Today’s news has returned to the discussion of many of the financial problems currently hitting the euro zone, and following on from yesterdays Chemstuff post on rare earth elements, I thought I would post about […]
