Atoms, Ions, & Isotopes pg. 99-103 & 108-113 LO: I can explain the number of protons, electrons, neutrons & overall charge for any element or isotope.

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Presentation transcript:

Atoms, Ions, & Isotopes pg & LO: I can explain the number of protons, electrons, neutrons & overall charge for any element or isotope.

Subatomic Particles

Element Symbols

Element Symbol Element Name Element Mass (A) (protons + neutrons) Unit = amu Atomic Number (Z) Electron Configuration Number of protons & electrons in a neutral atom

Atomic Number (Z) Mass Number (A)

Ions: Charged Particles Particles become charged when… They gain or lose an electron The overall charge of an element or compound is… ion charge = # of protons - # electrons

Ions: Charged Particles

Magnesium Sulfur Iron

Elements that form predictable ions Cations = Positive ions Anions = Negative ions

Isotopes An isotope is… A version of an element having a different number of neutrons. Isotope Notation Periodic Table

Isotopes An isotope has… The same chemical properties as neutral element in PT.

Isotopes Percent abundant

Two Ways to Represent Isotopes

Tell us all about it… How many? Protons = _______ Electrons = _______ Neutrons = _______ Charge = ________ Mass = ________ Isotope name: _____________________________