Atoms, Ions, & Isotopes pg. 99-103 & 108-113 LO: I can explain the number of protons, electrons,...
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Transcript of Atoms, Ions, & Isotopes pg. 99-103 & 108-113 LO: I can explain the number of protons, electrons,...
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.
Subatomic Particles
Element Symbols
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
Ions: Charged ParticlesMagnesium
Sulfur
Iron
Elements that form predictable ions
Cations = Positive ionsAnions = Negative ions
IsotopesAn isotope is…
A version of an element having a different number
of neutrons.
Isotope Notation
Periodic Table
IsotopesAn 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:
_____________________________