Search over 10,000 free study notes

Sulfur is a group six element, meaning it can form up to six bonds with halogen atoms such as F or Cl. In the instance where only four valence electrons of S are bonded to the halogens, the remaining two ...

Nicholas II was, as Dominic Lieven argues in his assessment of the Russian tsar, an ideal candidate for a British-style constitutional monarchy, but was crucially inept in regards to fulfilling the role o...

Think of DNA like 2 long shoelaces coiled around each other to form a spiral - or a double helix as it's called. Each of the 2 shoelaces is called a 'strand' and is made up of something called 'polynucleo...

We are now fairly used to the failings of polling in predicting the outcomes of elections and referendums, but the election of Labour under Clement Attlee was a very early example of a 'shock' victory. Fr...

The answer is 1.3x10^2. To solve this you need to multiply the integers first to get 13. The exponents (x10^4 for example) are then multiplied, since it is multiplication the powers are simply added to ...