Happy Atoms Worksheet Page 5

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Atomic Structure Worksheet
Name: ___________________________________________________________________________________________
Period #: _________
Date: _________________
Background:
- Valence electrons are the outer most electrons around the nucleus of an atom that determine many of the element’s chemical
characteristics.
- Total electrons refers to the total number of electrons around the nucleus of an atom, including the outermost valence electrons.
- Happy Atoms elements have bonding sites, or spots on the nucleus that represent the number of bonds that can form around the
element.
- Elements are considered to be stable when they have a full outer shell of electrons. This can easily be seen using the Periodic Table in
the Happy Atoms app.
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