Chapter 9 Pptrevised
(L5)the periodic table
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Grade 9 - Ionic Bonding
Ionic Compounds Chapter 5. What are ions? ► An ion is an atom or group of atom that has an electric charge because it has gained or lost electron. ► [Na]=
Ions. Elements share a number of important properties with other elements found in the same group. The chemical behavior of a given element is largely.
Chapter 6 “The Periodic Table”. Section 6.1 Organizing the Elements u Chemists used the properties of elements to sort them into groups. u (1829) J. W.
Chemical Bonding Chapter 6 Sections 1, 2, and 5. Chemical Bonds A chemical bond is the mutual electrical attraction between the nuclei and valence electrons.
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TOPIC C: THE PERIODIC TABLE AND PERIODICITY. Periodicity The chemical and physical properties of the elements and their compounds are very dependent upon.
Dmitri Mendeleev(1834-1907) He develop the 1 st periodic table of the elements. Arranged elements in order of increasing atomic mass and created columns.
CHAPTER 6
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