Bonding Basics & Ionic Bond

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12 Terms

1
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Ionic Bonding

  • Involves a transfer of electrons

  • One element loses electrons and the other gains electrons

2
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Covalent Bonding

  • Involves a sharing of electrons

  • Atoms will share in order to reach a stable electron configuration

3
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The Octet Rule

Atoms will gain or lose enough electrons to make them isoelectronic with a noble gas

  • -Except for H and He, there will be 8 electrons in their valence shell

4
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Electron Dot Structures

A way to show the number of valence electrons in an atom

5
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Number of valence electron

can be determined by the group the elements are in s and p blocks only

6
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Valence electrons determine _________

chemical reactivity

7
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Elements in the same group _________

behave the same

8
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Ionic Bond

forms from the attraction between + and – ions

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Ionic Compound

made up of crystals

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Crystal

consists of a 3D, repeating pattern of alternating + and – ions

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Formula Unit

the lowest whole number ratio of ions

12
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Ionic compounds have _____________ and ______

high melting points and conduct electricity when melted or dissolved

  • Ex: NaCl