Notes
physics
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content page
1 atomic structure
1 isotope
Page 2
~ATOMIC STRUCTURE~
nuclide notation = nucleus of the atom
a - mass number (protons + neutrons)
X - to find neutron number: mass number-atomic number)
z - proton number (atomic number) and (if neutral) electron number
eg:
234 protons: 92
U neutrons: (234-92=) 142
92 electrons: 92
~ISOTOPE~a variation of an element
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- my version of a textbook for physics as level
- Created by
- lisa chevallereau · Feb 2017
- Updated
- Feb 25, 2017
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