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Page 1: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number
Page 2: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number

Ions

• Ion – Charged Atom

• Cation - positive charged atom

• Anion negative charged atom

• Charge equals the A group number

Page 3: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number

Poly atomic Ion - Charged particle formed by a group of covalently bonded atoms.

Page 4: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number

Formulas

• Molecular Formula – exact number and type of atoms present

• Empirical Formula – Simplest whole number ratio of atoms present in a molecule or compound.

Page 5: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number

Valence Electrons

• The number of electrons in the outer level of an atom. Equals the A group number

Page 6: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number

....Se Mg. .. .Na . ...

Cl: .. ..

Page 7: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number

..Na . ...

Cl: ..+ Na+ -...Cl: ..

..

Page 8: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number

Ionic Bond

bond formed by the giving or

taking of electrons

Page 9: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number

Al3+

+ O2- Al2O3

Mg2+

Cl MgCl2+

Na+

N3+

NaN3+

Page 10: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number

Properties of Ionic Compounds

Formed from a metal and a non metal

Most are soluble in water

Form crystalline lattices

Page 11: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number

Covalent Bond

bond formed by the Sharing

of electrons

Page 12: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number

Br..: ...Br.. :...

+ Br..: ...Br.. :...

bonding pair

nonbonding pairs

Page 13: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number

Properties of Covalent Compounds

Formed by two nonmetals

Solubility varies

The strongest bond

Page 14: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number

Polarity

Slight charge differences in a molecule due to atoms having different

electronegativity

Page 15: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number

Electronegativity

The attraction an atom has for a pair of shared electrons

Page 16: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number

More Electronegative

Page 17: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number
Page 18: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number

Polar Covalent Bond

• Bond formed with unequal sharing of electrons

Page 19: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number

-Br..: ...

Br..: ...H. H.

+

Page 20: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number
Page 21: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number

Ionic bond

Covalent bondPolar Covalent bond

Page 22: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number

Bond lengths

The distance between the nuclei of two covalently bonded atom.

Page 23: Ions Ion – Charged Atom Cation - positive charged atom Anion negative charged atom Charge equals the A group number

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