Read the two passages.

Question

Silicon is an element that is directly below carbon on the periodic table. Silicon can form bonds similar to carbon.

Silicon-silicon single bonds require 222 kJ/mol of energy to break.

Based on the statements, how much energy would it take to break a carbon-carbon single bond?

more than 222 kJ/mol
exactly 444 kJ/mol
exactly 222 kJ/mol
less than 222 kJ/mol