Bonding - Bonding Topic 4 4.1 Ionic bonding 4.1.1 Describe...

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Bonding Topic 4 4.1 Ionic bonding 4.1.1 Describe the ionic bond as the electrostatic attraction b/t oppositely charged ions Cation and anions are attracted and form a continuous giant ionic lattice 4.1.2 Describe how ions can be formed as a result of electron transfere loss (metals) or gain (non-metals) of electrons to attain a full outer shell Greatre ionization Li -> Cs is due to the increased electron shielding of the nuclear attraction caused by additional inner shells of electrons Easier atoms are to ionize, more reactive they will be 4.1.3 Deduce which ions will be formed when elements in groups 1,2,3 lose e 4.1.4 Deduce which ions will forme when elements in groups 5,6, and 7 gain e Group # 1 2 Transitio n 3 4 5 6 7 0 Ions forme d +1 +2 Many positive ions +3 No ions -3 -2 -1 No ions 4.1.5 State that transition elements can form more than one ion Form multiple ions due to close proximity b/t 4s and 3d 4.1.6 Predict whether a compound of two element would be ionic from the position of the element in the periodic table or from their EN values Ionic bond forms in binary compounds Differences b/t EN is greater than 1.7
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4.1.7 State the formula of common polyatomic ions formed by non- metals NO 3 - , OH - , SO 4 2- , CO 3 2- , PO 4 3- , NH 4 + , HCO 3 - 4.1.8 Describe the lattice structure of ionic compounds Property Characteristi cs Explanation m.p High strong electrostatic attraction need to
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Bonding - Bonding Topic 4 4.1 Ionic bonding 4.1.1 Describe...

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