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force that holds two atoms together
- positively charged particle
- give electrons
- negatively charged particle
- take electrons
electrostatic attraction between oppositely charged particles
main idea of ionic compounds
give and take valence electrons
ionic bond of hydrogen
ionic bond of atom with 1 valence electron
ionic bond of atom with 2 valence electrons
ionic bond of atom with 3 valence electrons
ionic bond of atom with 4 valence electrons
ionic bond of atom with 5 valence electrons
ionic bond of atom with 6 valence electrons
ionic bond with 7 valence electrons
rule for writing formulas for ionic compounds
needs to be neutral lowest whole number ratio
properties of ionic compounds
- 1. high m.p. & b.p.
- 2. hard, solid at room temperature
- 3. form crystal lattice structure
- 4. form electrolytes when dissolved in water
what occurs with an ionic compound when it is dissolved in water?
atoms become seperate and free
ion made up of mroe than one atom
positive charge of an ion
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