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Where are the electrons located?
In shells orbiting the nucleus
What is the proton number also known as?
Atomic Number
How can you find the number of electrons?
Same as the number of protons
How many electrons can fit in the first shell?
2
How many electrons can fit in the second and all the following shells?
8
How can you find the electron arrangement of an element from the periodic table?
The group it is in, is the number of electrons in its outer shell
T/F - Protons are negative and electrons are positive
False
If an element has 13 protons and 10 electrons what ion is it?
3+