(1)依据第a周期元素第o电离能的变化规律,0、了、O第o电离能大小排列是___.(a)了F3可由了H3和Fa在0它催化剂存在0反应直接i到:a了H3+3Fa&am
Jackett.Common.IndexerException: Exception (thepiratebay): certificate validation failed: [Subject] CN=apibay.org [Issuer] CN=E1, O=Let's Encrypt, C=US [Serial Number] 04DE609F32FD352FA5C582011D6BFC16074D [Not Before] 4/27/2023 1:45:18 AM [Not After] 7/26/2023 1:45:17 AM [...
题目【题目】一、语音知识(一)根据所给音标拼写单词。1./infa'meifan/2./tweIfθ/ 3./fa:0o/4./am'brela/5./kri'eitin/ 相关知识点: 试题来源: 解析 【解析】1. information 2. twelfth 3. further 4. umbrella 5. creative 反馈 收藏
Structure and magnetic behaviour of [{Mn2(3-Et,4-Mepy)6(μ1,1-N3)2(μ1,3-N3)}n][PF6]n and [{Mn2(3-ampy)4(μ1,1-N3)2(μ1,3-N3)(N3)(H2O)· 4H2O}n], two alternating ferro
平面直角坐标系xOy中.已知定点A.(1)如图1.若动点C在x轴上运动.则使△ABC为等腰三角形的点C有几个?(2)如图2.直线l是过原点O的一条动直线.过A.B向直线l作垂线.垂足分别为M.N.试判断线段AM.BN.MN之间的数量关系.并说明理由,(3)当动直线l运动到如图3的位置时.过A.B向动直线l作
烧绿石(La_(1-y)Nd_y)_2Zr_2O_7模拟固化(241)Am的晶体结构稳定性研究
如图所示,在Rt△ABC中,∠BAC=90°,∠B=45°,O为BC中点,如果点M、N分别在线段AB、AC上移动,设AM的长为x,CN的长为y,且x、y满足等式x−a+x−y=0(a>0).(1)求证:BM=AN;(2)请你判断△OMN
计算R?nH2O的物质的量,而n(R)=n(R?nH2O),根据c= n V 计算该饱和溶液的物质的量浓度; B.根据化学式计算结晶水的质量、R的质量,进而计算溶液中水的总质量,计算100g溶解R的质量即为溶解度; C.根据w(溶质)= m(溶质) m(溶液) ×100%计算该饱和溶液质量分数; ...
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She just makes Jell-O While my 89-year-old grandmother, Donna, doesn’t bother to remember small details like who I am or why I’m at her house, she1.(vivid) recalls conversations we may or may not have had many years ago. Obviously, while2.(make) uncomfortable small talkover dinne...