General Organic and Biological Chemistry Study Set 1

Chemistry

Quiz 4 :

Covalent Compounds

Quiz 4 :

Covalent Compounds

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Which of the statements concerning chemical bonds is false?
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C

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How many covalent bonds are generally formed by an oxygen atom?
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B

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How many nonbonded electron pairs are in the Lewis structure below? img
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B

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Which of the following compounds is not classified as covalent?
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What is the Lewis structure for chloroethylene (C2H3Cl)?
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Predict the bond angles around the carbon atom in the structure of carbonic acid shown below. Don't forget to draw in lone pairs where needed to give octets. img
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Covalent bonds result from the ________ electrons between two atoms.
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How many covalent bonds are generally formed by atoms with five valence electrons?
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Identify the diatomic element from the given choices.
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How many valence electrons are in a molecule of formaldehyde (CH2O)?
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Which choice would be named carbon tetrachloride?
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How many lone pairs of electrons are present in the Lewis structure of ammonia,NH3?
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What is another name for an unshared pair of electrons in a covalent compound?
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Identify the diatomic element from the given choices.
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What is the molecular shape around the phosphorus atom in PH3?
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Which choice would be named dinitrogen pentoxide?
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A diatomic molecule contains ________. I. atoms of two different elements bonded together with a covalent bond II. two atoms of the same element bonded together with a covalent bond III. two lone pairs of electrons
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Which of the following compounds is classified as covalent?
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Which of the following elements will generally form only one covalent bond?
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Identify the correct name for the compound NO2.
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