2009高中化学竞赛初赛模拟试卷(5)(时间:3小时 满分:100分)题 号123456789101112满 分相对原子质量[98]-[210]At[210]Rn[222]Fr[223]Ra[226]Ac-LaRfDbSgBhHsMtDsLa系 document was truncated here because it was created in the Evaluation Mode
书利华教育网您的教育资源库 2009高中化学竞赛初赛模拟试卷(5)(时间:3小时满分:100分)题 号123456789101112满 分45116571261181510H1008相对原子质量He4003Li6941Be9012B1081C1201N1401O1600F1900Ne2018Na2299Mg2431Al2698Si2809P3097S3207Cl3545Ar3995K3910Ca4
2008高中化学竞赛初赛模拟试卷(5)(时间:3小时满分:100分)题 号123456789101112满 分45116571261181510H1008相对原子质量He4003Li6941Be9012B1081C1201N1401O1600F1900Ne2018Na2299Mg2431Al2698Si2809P3097S3207Cl3545Ar3995K3910Ca4008Sc4496Ti47
#
2009年高中化学竞赛初赛模拟试卷(5)(时间:3小时 满分:100分)题 号123456789101112满 分相对原子质量[98]-[210]At[210]Rn[222]Fr[223]Ra[226]Ac-LaRfDbSgBhHsMtDsLa系 document was truncated here because it was created in the Evaluation Mode.
#
2008高中化学竞赛初赛模拟试卷(19) : (时间:3小时 满分:100分)题 号123456789101112满 分相对原子质量[98]-[210]At[210]Rn[222]Fr[223]Ra[226]Ac-LaRfDbSgBhHsMtDsLa系 document was truncated here because it was cr
2009高中化学竞赛初赛模拟试卷(9)(时间:3小时 满分:100分)题 号12345678910111213满 分相对原子质量[98]-[210]At[210]Rn[222]Fr[223]Ra[226]Ac-LaRfDbSgBhHsMtDsLa系 document was truncated here because it was created in the Evaluation Mo
2009高中化学竞赛初赛模拟试卷(3)(时间:3小时 满分:100分)题 号123456789101112满 分相对原子质量[98]-[210]At[210]Rn[222]Fr[223]Ra[226]Ac-LaRfDbSgBhHsMtDsLa系 document was truncated here because it was created in the Evaluation Mode
2009高中化学竞赛初赛模拟试卷(4)相对原子质量[98]-[210]At[210]Rn[222]Fr[223]Ra[226]Ac-LrRfDbSgBhHsMt第第题(4分)Sn(1分) 第五周期ⅣA族(1分)将Sn(NO3)2溶于少量稀HNO3并加入Sn粒防氧化(2分)题(4分)某元素的离子R2有5个电子层最外层有2个电子R(NO3)2是它的一种常见盐R的元素符号是 R元素在周
违法有害信息,请在下方选择原因提交举报