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If two atoms of the same element are covalently bonded, a is formed.

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Presentation on theme: "If two atoms of the same element are covalently bonded, a is formed."— Presentation transcript:

1 In a covalent bond, electrons are between the elements of the molecule.
If two atoms of the same element are covalently bonded, a is formed. A double bond is formed between two oxygen atoms. Draw a structural formula showing the double bond. A triple bond is formed between two nitrogen atoms. Draw a structural formula showing the triple bond. In which type of covalent bond, polar or nonpolar, are the electrons shared equally? shared diatomic molecule O=O N=N nonpolar

2 6. Compare the shapes of a polar covalent bond and a nonpolar covalent bond.
7. What classification of elements forms covalent bonds? 8. What group numbers have a least one element in them that will form covalent bonds? 9. Name the following molecules: CS PCl3 N2S CF4 Write the formula for the following molecules: nitrogen tribromide diphosphorus pentoxide carbon monoxide dihydrogen monoxide polar – bent; nonpolar – straight nonmetals 1, 4, 5, 6, 7 carbon disulfide phosphorus trichloride dinitrogen trisulfide carbon tetrafluoride NBr3 P2O5 CO H2O

3 Draw electron dot diagrams for the following molecules
Draw electron dot diagrams for the following molecules. Remember to draw circles around the elements and their bonds. H Br H N N H H H C C 12. What characteristic of metallic bonds explains why metals are malleable and ductile? the mobility of electrons within the lattice


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