chemical bonding (chap4) -olevel pure chem

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6 Terms

1
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what is a cation

positive ions that have a net positive charge

2
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what are anions

negative ions that have a net negative charge

3
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what are the chemical formulas of:

  • hydrogen

  • silver

  • ammonia

  • zinc

  • methane

  • H+

  • Ag 2+

  • NH3

  • Zn 2+

  • CH4

4
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what is an ionic bond

the mutual electrostatic attraction between ions of opposite charges

5
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what are the chemical formulas of:

  • carbonate

  • sulfate

  • phosphate

  • ammonium

  • hydroxide

  • nitrate

  • CO3 2-

  • SO4 2-

  • PO4 3-

  • NH4 +

  • OH -

  • NO3 -

6
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what is valency

valency refers to the number of electrons that must be lost, gained, or shared in order for the atom to attain a noble gas electronic configuration