Slide 1The atom Slide 2 Electron Clouds Major energy levelMaximum number of electrons K2 electrons L8 electrons M18 electrons N32 electrons O32 electrons P18 electrons Q2…
Slide 1SAT II CHEM PREP PPT Mrs. Gupta Modified from Mark Rosengartens Powerpoint Slide 2 Setup of the SAT II Chem Exam 85 total questions, 1 hour (about 42 s/question) -…
Slide 1Angstrom Care 1www.AngstromCare.com Angstrom Care Atoms II Slide 2 Angstrom Care 2www.AngstromCare.com Atoms and Elements The Atom Atomic Number and Mass Number Isotopes…
Slide 1 Slide 2 Elements, Atoms, and Isotopes ***Green indicates test items*** Slide 3 The Language of Chemistry CHEMICAL ELEMENTS -CHEMICAL ELEMENTS - –pure substances…
Slide 11 The Atom Atomic Number and Mass, Isotopes Slide 2 2 Elements Pure substances that cannot be separated into different substances by ordinary processes Are the building…
Slide 1 Slide 2 Atoms, Isotopes and Ions Slide 3 An atom consists of a nucleusnucleus –(of protons and neutrons) electrons in space about the nucleus.electrons in space…
Slide 1Chapter 3 Models for Atoms The Atom Atomic Number and Mass Number Isotopes Slide 2 Atomic Theory Atoms are building blocks of elements Similar atoms in each element…
Slide 1A. Atomic Mass The average atomic mass is the number at the bottom of each square The average atomic mass is the number at the bottom of each square Found by averaging…