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what are 5 rules when drawing an atom?

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Have to write 5 rules when drawing an atom (in chemistry) and i have absolutely no idea.

i have tried google! :/
asked Dec 9, 2013 in Science Topics by jj
   

1 Answer

+3 votes
1 Begin with the nucleus of the atom - Draw a circle to represent this
 
2 The protons and neutrons are found in the nucleus - This information is got from looking at Atomic number and Mass number on the Periodic table. Example: Hydrogen has 1 proton and no neutrons.
 
3 The electrons are found in the electron shells around the nucleus - Hydrogen has 1 electron
 
4 The first electron shell can hold a maximum of 2 electrons, the second 8, the third can hold up to 18
 
5 Check the Group number to see if you have the correct number of electrons in the outer shell. The number of electrons in the outer shell equals the Group number. 
 
answered Dec 26, 2013 by Foodie Inquisitive Expert (29,870 points)

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