Squid is considered to be A consumer B decomposer C producer D all of the above

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

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