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Drawing chemical bonds

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Presentation on theme: "Drawing chemical bonds"— Presentation transcript:

1 Drawing chemical bonds
Ionic bonding occurs when a metal transfers one or more electrons to a nonmetal in an effort to attain a stable octet of electrons. K Br =

2 Drawing chemical bonds
Ionic bonding occurs when a metal transfers one or more electrons to a nonmetal in an effort to attain a stable octet of electrons. K Br = K + Br -

3 Drawing chemical bonds
Ionic bonding occurs when a metal transfers one or more electrons to a nonmetal in an effort to attain a stable octet of electrons. Li S

4 Drawing chemical bonds
Ionic bonding occurs when a metal transfers one or more electrons to a nonmetal in an effort to attain a stable octet of electrons. = S Li S Li + But is sulfur satisfied?

5 Drawing chemical bonds
Ionic bonding occurs when a metal transfers one or more electrons to a nonmetal in an effort to attain a stable octet of electrons. = S Li S Li + Li Of course NOT.

6 Drawing chemical bonds
Ionic bonding occurs when a metal transfers one or more electrons to a nonmetal in an effort to attain a stable octet of electrons. -2 = S Li S Li + Li + But now it is!

7 Drawing chemical bonds
Covalent bonding occurs when two or nonmetals share electrons, attempting to attain a stable octet or electrons. Cl Cl

8 Drawing chemical bonds
Covalent bonding occurs when two or nonmetals share electrons, attempting to attain a stable octet or electrons. Cl Cl = Cl Cl Inside of each circle is eight electrons making both atoms stable!

9 Drawing chemical bonds
Covalent bonding occurs when two or nonmetals share electrons, attempting to attain a stable octet or electrons. O O

10 Drawing chemical bonds
Covalent bonding occurs when two or nonmetals share electrons, attempting to attain a stable octet or electrons. O O = O O Atoms can share more than one pair of electrons. In this example the oxygen atoms are sharing two pairs to form a DOUBLE bond. (Atoms can share up to THREE pairs.)

11 Drawing chemical bonds
Examples for you to try: Ionic Covalent H + H Al + Br Mg + I N + N H + Cl K + F Be + O C + O ( CO2) H + O ( H2O) Na + S Note: Hydrogen is content with 2 electrons. These examples you will have to figure out which type of bond is formed first. CaBr2 H2S Li2O Br2 KOH Hardest example

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