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how do you calculate electrons

 Oct 23, 2019
 #1
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Just use a Magnifying Lens and count them by hand !!!!!!!!!!!!!!!!!!!! 

 Oct 23, 2019
 #4
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I agree with you guest! Very efficient! However, there might be multiple magnifying glasses....

CalculatorUser  Oct 24, 2019
 #2
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^

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I would actually like to try that out.

 

Anyways, using a periodic table, the atomic number is the amount of protons and electrons in the atom. Hope this helped!

 

-o_o

 Oct 24, 2019
 #3
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The number of electrons in an atom is equal to  the number of protons (Atomic number of an element) 

Well for example take calcium, its atomic number is 20 (Electrons=protons) 

we have 4 orbits (For begineers) 

which are called k l m n

But forget about this for now, 

in the first orbit the maximum number of electrons placed is 2 

so,

in the second orbit it can take up to eight as well as the third and the fourth so it would be:

2 8 8 2

(Ran out of electrons to fill the 4th orbit(N)) When this atom gets in chemical reaction, it will lose 2 electrons and have a +2 above it so it has an outermost level shell (Valency electrons) = 8 

 Oct 24, 2019

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