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Displaying documents 1-10 of 31, with best matches first:

1. BBC - GCSE Bitesize - Atoms and atomic structure

Atoms consist of electrons surrounding a nucleus that contains protons and neutrons. Protons and neutrons have a relative mass of 1 and electrons have a negligible mass. Neutrons are neutral, but protons and electrons are electrically charged. Protons have a relative charge of +1 and electrons have a relative charge of -1.
URL: http://www.bbc.co.uk/schools/gcsebitesize/science/aqa/rocks/atomsrev_print.shtml - 17KB - 09 Nov 2008

2. BBC - GCSE Bitesize - Atoms and atomic structure

Atoms consist of electrons surrounding a nucleus that contains protons and neutrons. Protons and neutrons have a relative mass of 1 and electrons have a negligible mass. Neutrons are neutral, but protons and electrons are electrically charged. Protons have a relative charge of +1 and electrons have a relative charge of -1.
URL: http://www.bbc.co.uk/schools/gcsebitesize/science/aqa/rocks/atomsrev1.shtml - 32KB - 09 Nov 2008

3. BBC - GCSE Bitesize - Atoms and atomic structure

Atoms consist of electrons surrounding a nucleus that contains protons and neutrons. Protons and neutrons have a relative mass of 1 and electrons have a negligible mass. Neutrons are neutral, but protons and electrons are electrically charged. Protons have a relative charge of +1 and electrons have a relative charge of -1.
URL: http://www.bbc.co.uk/schools/gcsebitesize/science/aqa/rocks/atomsrev2.shtml - 22KB - 09 Nov 2008

4. BBC - GCSE Bitesize - Atoms and atomic structure

Atoms consist of electrons surrounding a nucleus that contains protons and neutrons. Protons and neutrons have a relative mass of 1 and electrons have a negligible mass. Neutrons are neutral, but protons and electrons are electrically charged. Protons have a relative charge of +1 and electrons have a relative charge of -1.
URL: http://www.bbc.co.uk/schools/gcsebitesize/science/aqa/rocks/atomsrev5.shtml - 22KB - 09 Nov 2008

5. BBC - GCSE Bitesize - Atoms and atomic structure

Atoms consist of electrons surrounding a nucleus that contains protons and neutrons. Protons and neutrons have a relative mass of 1 and electrons have a negligible mass. Neutrons are neutral, but protons and electrons are electrically charged. Protons have a relative charge of +1 and electrons have a relative charge of -1.
URL: http://www.bbc.co.uk/schools/gcsebitesize/science/aqa/rocks/atomsrev6.shtml - 22KB - 09 Nov 2008

6. BBC - GCSE Bitesize - Atoms and atomic structure

Atoms consist of electrons surrounding a nucleus that contains protons and neutrons. Protons and neutrons have a relative mass of 1 and electrons have a negligible mass. Neutrons are neutral, but protons and electrons are electrically charged. Protons have a relative charge of +1 and electrons have a relative charge of -1.
URL: http://www.bbc.co.uk/schools/gcsebitesize/science/aqa/rocks/atomsrev4.shtml - 25KB - 09 Nov 2008

7. BBC - GCSE Bitesize - Atoms and atomic structure

Atoms consist of electrons surrounding a nucleus that contains protons and neutrons. Protons and neutrons have a relative mass of 1 and electrons have a negligible mass. Neutrons are neutral, but protons and electrons are electrically charged. Protons have a relative charge of +1 and electrons have a relative charge of -1.
URL: http://www.bbc.co.uk/schools/gcsebitesize/science/aqa/rocks/atomsrev3.shtml - 22KB - 09 Nov 2008

8. Elements Get Final Names

Back to the Periodic Table Elements Get Final Names By MALCOLM W. BROWNE c.1997 New York Times After more than three years of sometimes acrimonious...
URL: http://periodic.lanl.gov/naming.html - 9KB - 19 Apr 2005

9. BBC - GCSE Bitesize - Polymers and ethanol from oil

In order for it to be useful to us, crude oil is broken down in oil refineries into its component parts, known as fractions, and these can then be used for many different purposes. Fractions that are produced by the distillation of crude oil can go through a process called cracking. This chemical reaction produces smaller hydrocarbons, including alkanes and alkenes. Ethene and oth
URL: http://www.bbc.co.uk/schools/gcsebitesize/science/aqa/oils/polymersrev_print.shtml - 22KB - 09 Nov 2008

10. BBC - GCSE Bitesize - Metals

Metals are very useful. Ores are naturally occurring rocks that contain metal or metal compounds in sufficient amounts to make it worthwhile extracting them. For example, iron ore is used to make iron and steel. Copper is easily extracted, but ores rich in copper are becoming more difficult to find. Aluminium and titanium are metals with useful properties, but they are expensive to
URL: http://www.bbc.co.uk/schools/gcsebitesize/science/aqa/rocks/metalsrev_print.shtml - 19KB - 09 Nov 2008

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