\(\rm{(1)}\)下列原子：\(\rm{{\,\!}^{12}_{6}}\)C、\(\rm{{\,\!}^{14}_{7}N}\)、\(\rm{{\,\!}^{23}_{11}Na}\)、\(\rm{{\,\!}^{3}_{1}}\)H、\(\rm{{\,\!}^{235}_{92}U}\)、\(\rm{{\,\!}^{40}}\)K、\(\rm{{\,\!}^{238}_{92}U}\)中共有种元素，________种核素，________互为同位素．
\(\rm{(2)}\)阴离子\(\rm{{\,\!}^{A}X^{n-}}\)的中子数为\(\rm{N}\)，核外共有\(\rm{x}\)个电子，则\(\rm{N=}\)________．
\(\rm{(3)}\)有下列物质中\(\rm{NH_{3}}\)、\(\rm{Na_{2}O}\)、\(\rm{CO_{2}}\)、\(\rm{CaCl_{2}}\)、\(\rm{CCl_{4}}\)、\(\rm{H_{2}O_{2}}\)、\(\rm{N_{2}}\)、\(\rm{NaHCO_{3}}\)、\(\rm{NaOH}\)、\(\rm{Na_{2}O_{2}}\)、\(\rm{NH_{4}Cl}\)属于含非极性键的离子化合物的是________
\(\rm{(4)}\)现根据下列\(\rm{3}\)个热化学反应方程式：
\(\rm{Fe_{2}O_{3}(s)+3CO(g)== 2Fe(s) +3CO_{2}(g)}\) \(\rm{\triangle }\)\(\rm{H}\)\(\rm{=―25 kJ/mol}\)
\(\rm{3Fe_{2}O_{3}(s)+ CO(g)==2Fe_{3}O_{4}(s)+ CO_{2}(g)}\) \(\rm{\triangle }\)\(\rm{H}\)\(\rm{=―47 kJ/mol}\)
\(\rm{FeO(s)+CO(g)== Fe(s)+CO_{2}(g)}\) \(\rm{\triangle }\)\(\rm{H}\)\(\rm{=―11 kJ/mol}\)
写出\(\rm{CO}\)气体还原\(\rm{Fe_{3}O_{4}}\)固体得到\(\rm{FeO}\)固体和\(\rm{CO_{2}}\)气体的热化学反应方程式：