atomic structure and bonding
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Atomic Structure and Bonding. Bonding. Specific Learning Outcomes. Enter here. Covalent and ionic bonding. COVALENT BOND Definition : A covalent bond is a chemical link between two atoms in which electrons are shared between them. - PowerPoint PPT PresentationTRANSCRIPT
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Atomic Structure and
BondingBonding
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Specific Learning Outcomes
Enter here.
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Covalent and ionic bonding
COVALENT BOND Definition: A covalent bond is a chemical link between two
atoms in which electrons are shared between them. Examples: There is a covalent bond between the oxygen
and each hydrogen in a water molecule (H2O). Each of the covalent bonds contains two electrons - one from a hydrogen atom and one from the oxygen atom. Both atoms share the electrons.
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Covalent and ionic bonding
IONIC BOND Definition: A chemical link between two atoms caused by
the electrostatic force between oppositely-charged ions in an ionic compound.
Examples: There is an ionic bond between the sodium and chloride ions in table salt, NaCl.
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Lewis Diagrams Electron dot diagrams, sometimes called Lewis dot diagrams,
were first used by Gilbert N. Lewis in 1916. These diagrams are used as a shorthand notation to show
the number of valence electrons in an atom. More complicated versions can be used to show the bond
between different atoms in a molecule.
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Activities
• Draw the dots (page 16)
Level 2 Chemistry Theory Workbook
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covalent bonding in elements
Single bonding
Double bonding
Triple bonding
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Activities
• Dotty again – page 17• Dot to Dot – page 17 (First 8 questions)• Dotty Eyed by Now – page 19
Level 2 Chemistry Theory Workbook
I think your website is beryllium!
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Coordinate covalent bonding (Dative Bonding) In the formation of a simple covalent bond, each atom
supplies one electron to the bond - but that doesn't have to be the case.
A co-ordinate bond (also called a dative covalent bond) is a covalent bond (a shared pair of electrons) in which both electrons come from the same atom.
Examples include:Sulfur dioxide & Sulfur trioxide
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Activities
• Dative Bonding – page 20
Level 2 Chemistry Theory Workbook
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