Cue Words Bonding Ions and the Octet Rule Atoms use their ___________________________ electrons to _________________ and interact with other _________________. You can think of this as their way of “_________________________.” The Goal: Atoms want to have _________ valence electrons in their ________________ shell to become ________________. Octet Rule Octet Rule: A guideline that states that atoms tend to __________________ in such a way that they each have ____________ electrons in their ___________________ ______________ giving them the same ______________ setup as a ___________________ ______________. HOWEVER, there are _________________________! Octet Rule in ACTION: Example: Sodium Will sodium gain or lose electrons? _________________ How many? __________ What is the new element symbol? ________________ Is the atom stable? ______________ Example: Chlorine Will chlorine gain or lose electrons? _________________ How many? __________ What is the new element symbol? ________________ Is the atom stable? ______________ Cue Words WARNING!!! An ion is Ion _______________________________________________ _______________________________________ Ions that have ________________ electrons have a ________________ charge. These are called ________________. Ions that have ________________ electrons have a ________________ charge. These are called _________________. Make a neutral atom of Lithium. What is the number of protons, electrons, and neutrons? e-= _________ n= _________ How do we make Lithium stable like a noble gas? p= _________ e-= _________ n= _________ Is the atom more positive or negative? ______________ By how many? ___________ ______________________________________________ ______________________________________________ Metals will ___________ electrons. Nonmetals will _____________ electrons. Isotopes Now I want a Lithium with a -3 charge Write the ion symbol: Is the ion STABLE??? __________ Many isotopes are ________________ and can be used for determining the _______ of rocks, fossils, and artifacts. They also have many uses in the _____________ field. Fluorine n= _________ Is the atom more positive or negative? ______________ By how many? ___________ Isotopes all behave chemically behave ________ Potassium Now make it neutral again. e-= _________ different number of ____________ Element Write the ion symbol: p= _________ ______________________________________________ An isotope is a version of an element that has a BRIGHT ATOM Model p= _________ When changing the charge of an atom, Nitrogen Magnesium Gain or lose? How many? Symbol