Carbon atoms are able to form long chains, while oxygen atoms cannot. what is a plausible reason for this difference?

a) carbon is much less electronegative than oxygen.

b) a carbon atom is very large compared to an oxygen atom.

c) chains of oxygen atoms can only be joined by single bonds.

d) the bond energy of o-o single bonds is too small for stable chains.

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h