Classify the following bonds as ionic, covalent, or neither (O, atomic number 8; F, atomic number 9; Na, atomic number 11; Cl, atomic number 17; U, atomic number 92).
O with F Ca with Cl Na with Na
A) covalent, ionic, covalent
B) ionic, covalent, neither
C) neither, ionic, covalent
D) covalent, ionic, neither
Question 2
Which of the following statements best describes a relatively polar bond?
A) a very electronegative atom and a weakly electronegative atom are covalently bound
B) two very electronegative atoms are covalently bound
C) two very electronegative atoms undergo ionic bonding
D) two weakly electronegative atoms undergo ionic bonding
E) none of the above
Examples of covalent modifications that occur to the amino terminal tails of histone proteins. The a
Breaking disulfide bonds in proteins
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