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Biology

Quiz 3 :

Chemistry of Life

Quiz 3 :

Chemistry of Life

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Neighboring water molecules are held together with hydrogen bonds because
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A

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When calcium (Ca)and chloride (Cl)interact with one another,they bond using ________ bonds.
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D

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Which of the following is correct about hydrogen bonds?
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D

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Individual water molecules orient toward each other because of the ________ bonds that form between them.
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Ionic bonds ________,whereas covalent bonds ________.
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When sodium chloride (NaCl)is dissolved in water,the sodium ion is
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Nitrogen has seven protons,seven neutrons,and seven electrons.What is the atomic mass of nitrogen?
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The subatomic particles that possess a single negative charge and surround the nucleus are the
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Hydrogen and oxygen atoms are held together within an individual water molecule by ________ bonds.
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Atoms in a single molecule of methane,CH4,share electrons.Methane is formed by ________ bonds joining ________ atoms.
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The subatomic particles that possess a single negative charge,surround the nucleus,and are lost or gained by atoms called ions are the
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O2,also termed atmospheric oxygen,is formed by a covalent bond between two oxygen atoms.This type of bond involves oxygen atoms
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Sodium chloride (table salt)is formed when positively charged sodium ions and negatively charged chloride ions are chemically attracted to each other.This attraction is best described as a(n)
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In the chemical reaction that forms hydrogen peroxide (H2O2),hydrogen and oxygen share electrons,creating ________ bonds between the two atoms.
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If iodide ions (I)were dissolved in water,they would be attracted to img
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Which of the following is likely to participate in ionic bonding?
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The bonds connecting the atoms in the molecule below are ________ bonds img
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Ice floats on water because
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Which of the labeled areas of the water molecule pictured below possesses a partial negative charge? img
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The chemical reaction that represents photosynthesis is 6 H2O 6 CO2 C6H12O6 6 O2.What are the reactants?
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