Sunday, 25 August 2013

Acid,Alkalis and Bases





- A substance with a Ph of 7 is nutralisation.
- Acids has a Ph level from 6 and below
- Alkalis has a Ph level from 8 and above
- Universal indicators are an example to measure the ph level.
-Alkalis is most of the times soluble.

Sunday, 18 August 2013

Reflection - Helium Model

3 things I've learnt...
- That Helium has 2 electrons, 2 protons and 2 neutron
- That Helium is in group 8 of the Periodic Table
- That Helium is a noble gas

2 things I would like to improve on...
- The use of materials 
- The method to finding the number of protons, neutron and electrons

1 thing I would want to learn is...
- The structure of the different elements to make a compound.