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Transcript of GCSE CHEMISTRY
NEUTRONS) PROTONS NEUTRONS Protons are heavy, they have a relative mass of 1 and a relative charge of +1 (they are positively charged) ELECTRONS Neutrons are heavy and neutral (meaning they have no charge, and have a relative mass of 1. Electrons are tiny and have a relative mass of 1/2000 and have a relative charge of -1 (meaning they are negatively charged) ELECTRONIC CONFIGURATION
Oxygen - (2,4)
Lithium - (2,1)
Boron - (2,3)
Potassium - (2,8,8,1)
How many electrons in the elements atom,
1st shell can only hold up to 2 atoms
2nd shell can only hold up to 8 atoms
3rd shell can only hold up to 8 atoms
Each shell must be full of atoms before it starts filling the next shell Elements consist of one type of atom only The number of protons determine what
element it is, there is not one element
with the same amount of electrons. Amount of protons
in the atom ATOMIC NUMBER MASS NUMBER Amount of protons
and neutrons in the atom Group Member Member Member Member Member Member boobs (cc) photo by theaucitron on Flickr (cc) photo by theaucitron on Flickr copy paste branches if you need more....