How to find atomic structure Check the PERIODIC TABLE OF ELEMENTS Created by _____________ in 1869 Page 134-135 in your text
How to find atomic structure ATOMIC NUMBER = __________________ in the nucleus Each different atomic number is a new _______________, or pure substance that cannot be broken down
How to find atomic structure ATOMIC MASS = __________ PLUS ________ in the nucleus Neutrons ____________ to an atom, making some elements “heavy” or “light”
How to find atomic structure Atomic Mass- ___________ = # of ____________ Neutrons usually __________ as the atomic number increases. This means as atoms hold more protons, they usually hold more neutrons too!
How to find atomic structure To find the number of electrons in an atom, check the atomic number. For every _________, an atom will have a __________