:) generally, which of the three families of elements (a. metals, b. nonmetals, or c. inert gases) has the least tendency to form ionic bonds?

Ineed to find the answer of this question because i dont understand it

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat