ionic bonding

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8 Terms

1
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Where are the metals and non- metals on the periodic table

All elements in the separated bottom section are also metals .

<p>All elements in the separated bottom section are also metals . </p>
2
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What are the two ways to model ionic compounds?

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3
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What is the definition of ionic bonding ?

The electrostatic attraction between two oppositely charged positive and negative ions .

4
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What does electrostatic attraction mean ?

The forces of attraction between positive and negative ions

5
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What are valance electrons/ the valance shell ?

The outer electrons or shell that are involved in bonding.

6
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What happens to the electrons in ionic bonding ?

They are transferred

7
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  • How do you draw ionic bonds ?

  • The positively charged element (metal) is left with a naked shell

  • The negatively charged element (non-metal) has it’s own electrons in the valance shell represented with crosses , and the electrons transferred to it with dots to get a full outer shell

  • Put the elements in square brackets with the charge outside

  • Ensure the charges cancel out to 0/ the outer shell is full on one and empty on another by having multiple of elements if needed . To do this put a large number before the square brackets if that element

<ul><li><p>The positively charged element (metal) is left with a naked shell </p></li><li><p>The negatively charged element (non-metal) has it’s own electrons in the valance shell represented with crosses , and the electrons transferred to it with dots to get a full outer shell </p></li><li><p>Put the elements in square brackets with the charge outside </p></li><li><p>Ensure the charges cancel out to 0/ the outer shell is full on one and empty on another by having multiple of elements if needed . To do this put a large number before the square brackets if that element </p></li></ul>
8
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What does isoelectronic mean ?

Same electronic structure / same number of electrons