14c答案-答案城

2024届全国100所名校单元测试示范卷·化学[24·G3DY(新高考)·化学-LKB-必考-GX]一试题

第二单元原子结构与元素的性质1.B解析：Cu位于ds区，A项正确；14C是碳的一种同位素，B项错误；Cu元素最外层只有1个电子，同一周期最外层只有一个电子的元素还有2种，C项正确；S位于元素周期表的第五周期第WA族，D项正确。2.A解析：3Au的核电荷数为79，A项正确；核电荷数等于质子数，即质子数为79，B项错误；中子数为197一79=118，C项错误；核电荷数等于核外电子数，即核外电子数为79，D项错误。3.A解析：非金属性越强，最高价含氧酸的酸性越强，酸性：HCIO4>H2SO4,A项错误；同周期从左到右原子半径递减，原子半径：N>Mg,B项正确；非金属性越强，最简单氢化物越稳定，热稳定性：HC>HI,C项正确；非金属性越强，对应阴离子的还原性越弱，则还原性：S>C,D项正确。4.A解析：图中209.0是铋元素的相对原子质量，A项错误；铋的价电子排布式是6s26p3,B项正确；根据价电子排布式可知铋元素位于第六周期第VA族，C项正确；83个电子运动状态都不同，D项正确。5.B解析：元素S在元素周期表中位于第三周期第ⅥA族，A项错误；同周期第一电离能从左到右呈增大趋势，I1(Na)r(Mg)>r(S)>r(O),C项错误；电负性：O>S>Na,D项错误。6.A解析：电负性：O>N>C,A项正确；原子半径：r(Na)>r(CI),B项错误；O位于元素周期表第二周期第IA族，C项错误；非金属性：NS>P,D项正确。9.C解析：根据元素周期表的结构特点，稀有气体元素的原子序数从上到下依次是2、10、18、36、54、86、118,则122号元素位于第八周期，90号元素位于第七周期，A、B两项均错误；中子数为294一122=172，C项正确；第八周期最多有50种元素，D项错误。10.A解析：全空、半满和全满结构时，原子的能量较低，第一电离能：S>Mg>Al,A项错误；基态A1的价电子排布式为3s23p',则基态铝原子核外电子占据的最高能级符号为3p,B项3【23·DY·化学·参考答案-R一选修3-QG】

2023-08-09 21:45:24

52

衡水金卷先享题2023-2024高三一轮复习单元检测卷新高考(老高考)/(湘教版)地理14

29.6°N101.8E102图413.关于图中的下列说法，正确的是A.图示区域的最大高差小于6000米B.乙地可以看到贡嘎主峰C.甲地看贡嘎山顶部的仰角大于30°D.图中东侧的河谷呈槽形14.游玩期间，在下列观景台和时间段（北京时间）最有可能观赏到贡嘎雪山“日照金山”的是A.甲，6：007：00B.甲，19：00≈20：00C.丙，5：006：00D.丙，18：0019：0015.雪山常被云层遮挡，下列月份能观茨到贡嘎雪山“日照金山”现象概率最高的是A.12月B.5~6月C.78月D.910月

2023-08-16 00:08:13

30

天府名校·四七九模拟精编2023届全国高考全真模拟卷(十四)14英语试题试卷答案(更新中)

Your route will then continue towards the lost city of Angkor Thom.educator,but nothing can have prepared him for the decisions he had to 27.What kind of person is Korczak?From here,you'll head to Prasat Bayon,known for its famous face towers.take.A.Wise and determinedB.Caring and ambitious.Visit the Terrace of Elephants,the over 1,000-foot-long viewingTrained as a medical doctor,Korczak became a children's author andC.Devoted and selfless.D.Productive and passionate.platform,and the Terrace of the Leper King.teacher..He ran two orphanages(孤儿院)in Warsaw-one for JewishCYou'll take a break at a local restaurant,where you'll enjoy a lunchchildren,the other for Catholics.As a liberal and progressive thinker,he set upTopher White spends a lot of time walking in the forest and thinkingof tasty traditional Cambodian dishes.After lunch,you'll begin your route a children's"republic"in the Jewish orphanage,with its own parliament,courtabout how quickly we're losing it.He is making an effort to stop globalback to Siem Reap.and newspaper.He suffered deprivation (and danger for the sake of deforestation ()Founder of the San Francisco-based NonprofitDuration :5~8 hoursthe children in his care,and ultimately chose to die with them,despite Rainforest Connection,White has developed a simple but ingenious strategy:Included:being given the opportunity to save himself.After the Germans created the using old cell phones to listen for the sound of destruction.English-speaking guideWarsaw Ghetto in 1940,Korczak's Jewish orphanage was forced to moveForests are disappearing worldwide and fast,which not only harmsBike and helmet.into it.He went with the children,though he'd been offered shelterwildlife,including many species that live nowhere else,but also contributes·Bottled water..elsewhere.He stayed with them until August 1942,when he was sent to to climate change."I didn't know any of this stuff when I started,"saysFirst aid kit.Treblinka with some 200 children and staff.They were never heard of White,who began his journey in 2011,when he traveled to Indonesian·Lunch.again;it's assumed that they all died in the gas chambers(毒气室).Borneo to help decreasing gibbons(长臂猿).Not included:Snacks and fruit.The moment he led the children to the train to Treblinka,describedBetween 50 and 90 percent of the logging (that happens in theHow to book?movingly by eyewitnesses,his face lit up.The composer Wladyslawworld's rain forests is illegal,according to White,yet detecting that activityTo reserve the activity,choose the date and complete the form on theSzpilman recalled that Korczak told the orphans to be glad,because theycan be tough.So he has developed a system in which he uses a cell phonewebsite.You will receive your confirmation immediately.were going to the countryside and would be free of the city where they hadstaying charged by solar cells and an extra microphone.From there,theIf you still have more questions,check out our Q&A section onsuffered a lot.He wanted to spare them the terror of death.frequently asked questions.If you need help to book an activity or have anydevice can detect the sounds of chainsaws nearly a mile away.Korczak should be remembered alongside people such as Sir NicholasBecause it's unfeasible to have people listening to the devices all theenquiries,please contact us.Winton,Raoul Wallenberg and Oskar Schindler.They managed to saveFree cancellationtime,he added some"old-school data analysis,"so that the cell phone'sFree!Free cancellation up to 48 hours before the activity starts.If youlives,but Korczak sacrificed his,refusing to abandon his children on theircomputers can distinguish a chainsaw's sound from others in the forest.cancel within this time or do not show up,you will not be refunded.final journey.I could never imagine being put to the same test.But I loveThis way,his device can automatically detect logging activity and send achildren,as he must have done.21.Which scenic spot appeared in the movie Tomb Raider?text alert to authorities who can determine if it's illegal and then stop it.24.What did Korczak do for children?0A.Prasat Bayon.B.Angkor Thom.So far,his monitoring system has been used in Cameroon,Ecuador,C.Ta Prohm.D.The Terrace of Elephants.A.Give lectures.Peru,and Brazil and will soon be deployed in Bolivia.It's not just about22.What should visitors prepare for themselves if needed?B.Set up a"republic"for children.listening for logging.Also,it can pick out the sounds of specific birds,A.HelmetB.Lunch.C.Write liberal articles.which is why White sees the forest recordings as a potential science tool.HeC.WaterD.Fruit.D.Offer medical care.is urging biologists and ecologists to use his monitoring system anywhere,23.How can visitors reserve the activity?25.What can be inferred in Paragraph 2?whether it's a remote forest or a park in London."The more we learn aboutA.By emailing the agency.A.Korczak was once in heavy debt.these places,”he says,“the easier it will be to protect them.”B.By filling out a form online.B.The Germans created shelters for children.28.What made Topher White decide to stop global deforestation?C.By checking out the Q&A section.C.The Warsaw Ghetto was unknown until 1942.A.The problem of global climate change.D.By showing up at the agency two days in advance.D.Korczak adopted Jewish and Catholic childrenB.The association of Nonprofit Rainforest ConnectionB26.How did Korczak spare the kids'fright?C.The desire to find new uses for old cell phones.Andrzej Wajda is known by his pen name Janusz Korczak-a JewishA.By accompanying them to Treblinka.D.The experience of travelling to Indonesian Borneo in 2011.doctor,writer,and child advocate,who I wandered into an exhibition aboutB.By freeing them from Germany.29.What does the underlined word "unfeasible"in paragraph 4 mean?in Rome,and was overcome by the heroism of this ordinary man.I sayC.By being honored as a hero.A.Impractical.B.Unwilling.ordinary-he was actually quite well-known as children's author and anD.By sacrificing his life.C.Impassive.D.Unnecessary.【学普联考卷·2023届高三第一次·有听力英语试题·第2页（共4页）】

高三联考 2023-08-24 18:46:13

76

2024届全国100所名校单元测试示范卷·化学[24·G3DY·化学-LKB-必考-HUB]七试题

第二十一套滚动内容十原子结构元素周期律(B卷)1.B【解题分析】钼元素的相对原子质量为95.96，A项正确；Mo元素位于元素周期表第五周期，B项错误；2Mo、5Mo、8M0的质子数相同、中子数不同，它们互为同位素，化学性质几乎相同，C项正确：5Mo的中子数=质量数一质子数=95一42=53，D项正确。2.B【解题分析】C的原子序数为6，位于元素周期表的第二周期第VA族，A项错误；F和I均位于第IA族，最外层电子数相同，B项正确；原子半径：14C>18F,C项错误；3Na131I的中子总数为(23-11)+(131-53)=90，D项错误。3.D【解题分析】X、Y溶液的pH随溶液体积变化的程度不同，所以X、Y溶液的碱性强弱程度不同，稀释前，两种pH相等的碱溶液中溶质的物质的量浓度一定不相等，A项错误；稀释相同倍数后，X溶液的pH比Y溶液的小，即X溶液的碱性比Y溶液的碱性弱，B项错误；X溶液的pH随溶液稀释变化快，所以X的碱性比Y强，起始时X、Y溶液的pH相等，则X溶液的溶质浓度小于Y溶液，完全中和等体积pH=10的X、Y溶液时，消耗同浓度盐酸的体积V(X)C,所以离子半径大小应为Y>Z,A项错误；Z的单质是氯气，具有强氧化性，没有漂白性，B项错误；HC1是强酸，H2S是弱酸，同浓度氢化物水溶液的酸性：Z>Y,C项正确；化合物XY2是Na2S2,与Na2O2相似，含有离子键和非极性共价键，D项错误。5.C【解题分析】根据元素W、X的单质均为空气的重要组成部分，可知W、X为N元素和O元素的一种，结合4W+He1X十1Y知X的质子数大于W,则W为N元素，X为O元素，根据Z十He→12C十n,可知Z的质子数为4，则Z为Be。W、X的单质为N2、O2,均可发生氧化还原反应，如N十3Mg点燃Mg,N、O,十2Mg点燃2MgO,A项正确；Be(OH,的碱性弱于Mg(OH)2,B项正确；非金属性：O>N,所以最简单氢化物的稳定性：O>N,C项错误；N元素与H元素可形成NH3、N2H4等化合物，O元素与H元素可形成HO、HO2等化合物，D项正确。6.D【解题分析】根据元素在元素周期表的位置可知：X、W是短周期中同一主族元素，W元素的核电荷数为X元素的2倍，则X是O元素，W是S元素，可推知Z是P元素，Y是Si元素，T是As元素。SO2是制作光导纤维的重要材料，A项错误；S元素在自然界中既存在游离态，也存在化合态，B项错误；未指出是否是元素最高价氧化物对应的水化物，因此不能确定它们·71【23·G3AB·化学·参考答案一LKB一必考一AH】

2023-08-25 07:22:19

46

[百师联盟]湖南省2023~2024学年高二年级8月模拟考试化学答案

第二十一套滚动内容十物质结构元素周期律(B卷)1.B【解题分析】钼元素的相对原子质量为95.96，A项正确；Mo元素位于元素周期表第五周期，B项错误；2Mo、5Mo、98Mo的质子数相同、中子数不同，它们互为同位素，化学性质几乎相同，C项正确：5Mo的中子数=质量数一质子数=95一42=53，D项正确。2.B【解题分析】C的原子序数为6，位于元素周期表的第二周期第VA族，A项错误；F和I均位于第IA族，最外层电子数相同，B项正确；原子半径：14C>18F,C项错误；3Na131I的中子总数为(23-11)+(131-53)=90，D项错误。3.D【解题分析】X、Y溶液的pH随溶液体积变化的程度不同，所以X、Y溶液的碱性强弱程度不同，稀释前，两种pH相等的碱溶液中溶质的物质的量浓度一定不相等，A项错误；稀释相同倍数后，X溶液的pH比Y溶液的小，即X溶液的碱性比Y溶液的碱性弱，B项错误；X溶液的pH随溶液稀释变化快，所以X的碱性比Y强，起始时X、Y溶液的pH相等，则X溶液的溶质浓度小于Y溶液，完全中和等体积pH=10的X、Y溶液时，消耗同浓度盐酸的体积V(X)C,所以离子半径大小应为Y>Z,A项错误；Z的单质是氯气，具有强氧化性，没有漂白性，B项错误；HC1是强酸，H2S是弱酸，同浓度氢化物水溶液的酸性：Z>Y,C项正确；化合物X,Y2是Na2S2,与Na2O2相似，含有离子键和非极性共价键，D项错误。5.C【解题分析】根据元素W、X的单质均为空气的重要组成部分，可知W、X为N元素和O元素的一种，结合4W+He1X十1Y知X的质子数大于W,则W为N元素，X为O元素，根据Z十He→12C十n,可知Z的质子数为4，则Z为Be。W、X的单质为N2、O2,均可发生氧化还原反应，如N十3Mg点燃Mg,N、O,十2Mg点燃2MgO,A项正确；Be(OH,的碱性弱于Mg(OH)2,B项正确；非金属性：O>N,所以最简单氢化物的稳定性：O>N,C项错误；N元素与H元素可形成NH3、N2H4等化合物，O元素与H元素可形成HO、HO2等化合物，D项正确。6.D【解题分析】根据元素在元素周期表的位置可知：X、W是短周期中同一主族元素，W元素的核电荷数为X元素的2倍，则X是O元素，W是S元素，可推知Z是P元素，Y是Si元素，T是As元素。SO2是制作光导纤维的重要材料，A项错误；S元素在自然界中既存在游离态，也存在化合态，B项错误；未指出是否是元素最高价氧化物对应的水化物，因此不能确定它们·71【23·G3AB(新高考)·化学·参考答案一R一必考一QGB一N】

2023-08-27 16:26:21

37

2023-2024衡水金卷先享题高三一轮复习单元检测卷[辽宁专版]思想政治(十四)14答案

复习·单元滚动创新卷·政治三单元收入与分配单元30%，第三单元70%)③我国逐步形成有利于实现“双碳“目标的社会环境小题给④居民的消费结构更加合理，恩格尔系数呈下降变化A.①②B.③④C.①3D.2④业、餐5.网络视频技术不断发展，促进了网络视频用户的持续增加，网民字人民使用网络视频的频率也基本同步提高。由图示显示的变化可以得出的结论有91.394.895.888.332780.5702018.122019.62020.32020.6图示口网络视频用户规模（亿）一网民使用率(%)①生产决定消费对象②消费拉动经济增长③我国全面深化改革④生产决定消费方式A.①③B.①④C.②③D.②④6.根据相关规定，自2021年11月1日起，税务部门对制造业中小微企业实施阶段性税收缓缴措施。国家税务总局数据显示，政策实施首月(11月1日一30日)，制造业中小微企业累计缓缴税费量)471.4亿元。这一措施有利于①促进非公有制经济发展，增强经济发展动力②为中小微企业纾困，为保就业创造有利条件购③中小微企业增加利润，助力制造业健康发展费④公平竞争，使中小微企业平等使用生产要素A.①②B.①④C.②③D.③④7.一项调查结果显示，38.5%的大学生期待自己毕业能够拿到1一2万元月薪，14.8%的大学生期待毕业月薪在3万元以上，两者合计超过五成。然而理想很丰满，现实很骨感，即便是薪资水平在国内数一数二的北京，2021届高校毕业生的薪资也不过在4000一11000元/月之间。对此，下列评价正确的是能①加强劳动教育，营造劳动光荣的社会风尚②树立正确就业观，适应劳动力市场的需要③树立职业平等观，在脚踏实地中提高自己④完善劳动力市场，保障劳动者就业的权利B.①④.②③D.②④A.①3政治[第9页]

2023-08-27 16:52:14

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2023-2024衡水金卷先享题高三一轮复习单元检测卷[辽宁专版]思想政治(十四)14试题

A)表明A.教育是民族振兴、社会进步的基石B.我国把教育摆在发展全局的核心位置C.我国教育事业获得巨大发展，教育普及程度明显提高号D.我国仍然面临着国民整体素质偏低、教育创新能力不强等问题4.小文在浏览网页时，看到一幅图表（如下）。此图表说明2021年至2022年5月全国规模以上工业企业营业收入与利润总额同比增速(%)10083.475题5066957,34954474223803052792562392,221120334.3251941391279.79.10,855.03.51.0252021年1~6月1~7月1~8月1~9月1~10月1~11月1~12月2022年1~3月1~4月1~5月1~5月1~2月◆营业收入增速一利润总额增速返A.改革开放是我国的强国之路，是决定当代中国命运的关键一招政B.我国目前存在人民日益增长的美好生活需要和工业发展缓慢之间的矛盾C.我国转变发展方式，优化经济结构，实现经济高质量发展D.我国经济受外因影响增速趋缓，必须继续推进改革开放5.创新渗透在生活的方方面面。中国科学院化学研究所十年磨一剑，创制了一种新型碳同素异形体单晶“单层聚合C60”,它具有较高的结晶度和良好的热力学稳定性，为碳材料的研究提供了全新的思路。这属于A.理论创新B.技术创新C,制度创新D.文化创新6.仔细阅读右图，你认为小强应该说什么？A.这表明创意与环保结合会焕发出新的活力，创新无处不在我这是变废为宝。B.玩具很便宜，直接买就行，自己制作浪费时间与精力小强C.值得肯定，这是以万众创新为目的的匠心自制小推车之作，是“中国智造”D.可以将此当作自己以后的事业发展，学习对此而言“犹如鸡肋”【仙西省2022~2023学年度九年级阶段评估(A)·道德与法治第2页（共8页）】【R-PGZX E SHX一)】

2023-08-27 16:53:16

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