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tombi123 said:
Munkeh111 said:
If in a chemistry exam, you said that H20 is blue, you would receive 0 marks

 

Sorry but GSCE's are bulls**t. If you take chemistry or Physics at college, you will learn that some of the things you were taught at GCSE level are completely wrong.

True.

I was very annoyed to find out that the sequence of shells around atoms (holding electrons) that they teach in GCSE Chemistry is total BS.

We are taught that it goes 2 > 8 > 8 > 18 > 18 etc.... yet at A-level it is 2 > 8 > 18 > 8 > 18..... I was like WTF IS THE POINT IN TEACHING IT WRONG?

(I didn't actually do A-level Chemistry so I may have that wrong... My GCSE Chem teacher told us this about a month before the exams)