Identify all the acidic hydrogens (pKa less than 25) in the following substances. List the acidic hydrogens by letter, example: acd. 1st structurefill in the blank 1 c 2nd structurefill in the blank 2

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided