Archives

{“questions”:{“48tf3”:{“id”:”48tf3″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2002\r\n\r\n \r\nUn litro di CO e un litro di CO2, nelle stesse condizioni di temperatura e pressione: \r\n“,”desc”:””,”hint”:””,”answers”:{“3kxsd”:{“id”:”3kxsd”,”image”:””,”imageId”:””,”title”:”A) contengono lo stesso numero di atomi “},”kn4yb”:{“id”:”kn4yb”,”image”:””,”imageId”:””,”title”:”B) contengono lo stesso …

{“questions”:{“dgy83”:{“id”:”dgy83″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2002\r\n\r\n \r\n\u201cNel nucleo, carico positivamente, risiede praticamente tutta la massa dell\u2019atomo; il nucleo \u00e8 costituito da un certo numero di protoni, che sono i portatori della carica positiva …

{“questions”:{“lbd9q”:{“id”:”lbd9q”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2001\r\n\r\n \r\nQuale delle seguenti affermazioni \u00e8 corretta (p.at. N = 14 u.m.a.)?\r\n“,”desc”:””,”hint”:””,”answers”:{“yk8yi”:{“id”:”yk8yi”,”image”:””,”imageId”:””,”title”:”A) 28 molecole di N2 pesano 1 g”},”sq9je”:{“id”:”sq9je”,”image”:””,”imageId”:””,”title”:”B) 28 moli di N2 pesano 1 g”},”43xdz”:{“id”:”43xdz”,”image”:””,”imageId”:””,”title”:”C) Una mole …

{“questions”:{“8vznt”:{“id”:”8vznt”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2000\r\n\r\n \r\nLa differenza tra gli isotopi 18 e 16 dell’ossigeno consiste nel fatto che:\r\n“,”desc”:””,”hint”:””,”answers”:{“jknji”:{“id”:”jknji”,”image”:””,”imageId”:””,”title”:”A) il primo possiede due protoni in meno”},”axi9t”:{“id”:”axi9t”,”image”:””,”imageId”:””,”title”:”B) il primo possiede due neutroni in pi\u00f9″,”isCorrect”:”1″},”k3exi”:{“id”:”k3exi”,”image”:””,”imageId”:””,”title”:”C) …

{“questions”:{“27iq2”:{“id”:”27iq2″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2000\r\n\r\n \r\nIl numero di massa di un atomo \u00e8 27; il numero atomico \u00e8 13; i neutroni contenuti nel nucleo sono:“,”desc”:””,”hint”:””,”answers”:{“ctk49”:{“id”:”ctk49″,”image”:””,”imageId”:””,”title”:”A) 14″,”isCorrect”:”1″},”thrdw”:{“id”:”thrdw”,”image”:””,”imageId”:””,”title”:”B) 13″},”453nf”:{“id”:”453nf”,”image”:””,”imageId”:””,”title”:”C) 20″},”lntnk”:{“id”:”lntnk”,”image”:””,”imageId”:””,”title”:”D) 40″},”y6zsy”:{“id”:”y6zsy”,”image”:””,”imageId”:””,”title”:”E) 8″}}}},”results”:{“rbt2c”:{“id”:”rbt2c”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nIl numero …

{“questions”:{“ac50h”:{“id”:”ac50h”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 1999\r\n\r\n \r\n\”Intorno al 1930 l’esistenza del neutrone era gi\u00e0 stata prevista teoricamente, sulla base dell’osservazione che non tutti gli atomi di un dato elemento hanno la stessa massa; …

{“questions”:{“0ilrr”:{“id”:”0ilrr”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 1997\r\n\r\n \r\nChe cosa \u00e8 l’acqua pesante?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“dbfha”:{“id”:”dbfha”,”image”:””,”imageId”:””,”title”:”A) L’acqua con due atomi di deuterio”,”isCorrect”:”1″},”0s3r1″:{“id”:”0s3r1″,”image”:””,”imageId”:””,”title”:”B) Una soluzione concentrata di vari isotopi”},”o72f0″:{“id”:”o72f0″,”image”:””,”imageId”:””,”title”:”C) L’acqua surriscaldata oltre 100 gradi \u00b0C”},”mqe6d”:{“id”:”mqe6d”,”image”:””,”imageId”:””,”title”:”D) L’acqua con ossigeno di …

{“questions”:{“s0az0”:{“id”:”s0az0″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 1998\r\n\r\n \r\nQuale delle seguenti affermazioni \u00e8 CORRETTA?\r\n“,”desc”:””,”hint”:””,”answers”:{“jciz2”:{“id”:”jciz2″,”image”:””,”imageId”:””,”title”:”A) una molecola di O2 pesa 32 g;”},”ki6hr”:{“id”:”ki6hr”,”image”:””,”imageId”:””,”title”:”B) una mole di O2 pesa 32 g;”,”isCorrect”:”1″},”lfzjr”:{“id”:”lfzjr”,”image”:””,”imageId”:””,”title”:”C) una mole di O2 pesa 16 g.”},”whk9v”:{“id”:”whk9v”,”image”:””,”imageId”:””,”title”:”D) …

{“questions”:{“ftqqa”:{“id”:”ftqqa”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 1998\r\n\r\n \r\nUn atomo neutro contiene 13 protoni, 13 elettroni e 14 neutroni; il peso atomico \u00e8 circa:\r\n“,”desc”:””,”hint”:””,”answers”:{“s4507”:{“id”:”s4507″,”image”:””,”imageId”:””,”title”:”A) 27″,”isCorrect”:”1″},”5y3am”:{“id”:”5y3am”,”image”:””,”imageId”:””,”title”:”B) 40″},”4ey34″:{“id”:”4ey34″,”image”:””,”imageId”:””,”title”:”C) 13″},”1c7a0″:{“id”:”1c7a0″,”image”:””,”imageId”:””,”title”:”D) 14″},”9gh2x”:{“id”:”9gh2x”,”image”:””,”imageId”:””,”title”:”E) 26″}}}},”results”:{“kjju3”:{“id”:”kjju3″,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nIl peso atomico di un atomo …

{“questions”:{“s0jj9”:{“id”:”s0jj9″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 1997\r\n\r\n \r\nUna sola delle seguenti affermazioni concernenti lo ione potassio (Z = 19, P.A. = 39) \u00e8 ERRATA. Quale?\r\n“,”desc”:””,”hint”:””,”answers”:{“ostst”:{“id”:”ostst”,”image”:””,”imageId”:””,”title”:”A) Nel nucleo sono presenti 19 protoni”},”2fkrh”:{“id”:”2fkrh”,”image”:””,”imageId”:””,”title”:”B) La configurazione elettronica …