Which element in each pair below has the higher first ionization energy? a) Mg, P b) Se , O c) F, Br d) Li, Na

a) P b) O c) F d) Na

a) P b) O c) F d) Li

a) Mg b) O c) F d) Li

a) P b) Se c) F d) Li

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

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

Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)