looking for patterns
1.38 Activity. Know your ions. Students should: 1.38 know the charges of common ions listed You will have noted from the video that metal ...
the formulae of five polyatomic ions and one monatomic ion to be learnt.
1.39 Activity. Finding formulae Students should: 1.39 write formulae for compounds formed between the ions listed Watch the video closely ...
Ionic compounds form when the atoms of a metal combine with the atoms of a non - metal
A mole of rice grains would form a huge mountain of rice with enough rice to feed the world's current population for the next 6088978 years!
1.27 What is a mole? Students should: 1.27 know that the mole (mol) is the unit for the amount of a substance 1.28 understand how to carry...
Calculating the number of moles knowing the mass and the Ar ( mass of one mole)
1.28 Calculating moles The following masses of elements all contain one mole of atoms: 12.0 g Carbon, 32.1 g Sulphur, 14 g Nitrogen,&n...
The mass spectrum of boron
1.17 Activity 2. Calculating relative atomic mass. Students should: 1.17 be able to calculate the relative atomic mass of an element (Ar) ...
more reactive metals will displace less reactive metals e.g the furry worm
In the "furry worm" experiment the reactive magnesium metal reduces the less reactive copper. In this post we are going to investigate how...
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