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{“questions”:{“cekdv”:{“id”:”cekdv”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 1999 \r\n\r\n \r\nLo ione ammonio (NH4+) e il metano (CH4) hanno in comune:\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“c4lf7”:{“id”:”c4lf7″,”image”:””,”imageId”:””,”title”:”A) il peso molecolare”},”kw6bo”:{“id”:”kw6bo”,”image”:””,”imageId”:””,”title”:”B) l’ibridazione sp3“,”isCorrect”:”1″},”mt4ta”:{“id”:”mt4ta”,”image”:””,”imageId”:””,”title”:”C) l’ibridazione sp2“},”tnizk”:{“id”:”tnizk”,”image”:””,”imageId”:””,”title”:”D) la struttura planare”},”f6vxp”:{“id”:”f6vxp”,”image”:””,”imageId”:””,”title”:”E) il carattere nettamente acido”}}}},”results”:{“thu1b”:{“id”:”thu1b”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\n\u00c8 …

{“questions”:{“p9h0x”:{“id”:”p9h0x”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 1998 \r\n\r\n \r\nQuale \u00e8 la struttura spaziale di una molecola con ibridazione sp3 ?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“eceib”:{“id”:”eceib”,”image”:””,”imageId”:””,”title”:”A) Quadrata”},”u18l7″:{“id”:”u18l7″,”image”:””,”imageId”:””,”title”:”B) Tetraedrica”,”isCorrect”:”1″},”t8kp5″:{“id”:”t8kp5″,”image”:””,”imageId”:””,”title”:”C) Cilindrica”},”5690t”:{“id”:”5690t”,”image”:””,”imageId”:””,”title”:”D) Lineare”},”bxgz3″:{“id”:”bxgz3″,”image”:””,”imageId”:””,”title”:”E) Triangolare”}}}},”results”:{“4a9yr”:{“id”:”4a9yr”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nFacciamo riferimento al carbonio. L\u2019orbitale 2s e i tre …

{“questions”:{“5m2qw”:{“id”:”5m2qw”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\n Prof. san 2011\r\n\r\n \r\nQuale tra i seguenti elementi pu\u00f2 formare 3 legami covalenti semplici con 3 atomi di cloro?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“0uzaa”:{“id”:”0uzaa”,”image”:””,”imageId”:””,”title”:”A) Ba “},”gl9ls”:{“id”:”gl9ls”,”image”:””,”imageId”:””,”title”:”B) Na”},”46ejy”:{“id”:”46ejy”,”image”:””,”imageId”:””,”title”:”C) F”},”mn37u”:{“id”:”mn37u”,”image”:””,”imageId”:””,”title”:”D) B”,”isCorrect”:”1″},”oq8oh”:{“id”:”oq8oh”,”image”:””,”imageId”:””,”title”:”E) Kr”}}}},”results”:{“kmu96”:{“id”:”kmu96″,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nPer rispondere a …

{“questions”:{“ggwwn”:{“id”:”ggwwn”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\n Prof. san 2009 \r\n\r\n \r\nIl legame covalente si forma quando si verifica la condivisione di:\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“zas6r”:{“id”:”zas6r”,”image”:””,”imageId”:””,”title”:”A) almeno due protoni fra due atomi “},”qoyao”:{“id”:”qoyao”,”image”:””,”imageId”:””,”title”:”B) cariche positive e negative”},”6spxi”:{“id”:”6spxi”,”image”:””,”imageId”:””,”title”:”C) almeno due …

{“questions”:{“71hvh”:{“id”:”71hvh”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2014 \r\n\r\n \r\nPerch\u00e9 CCl4 non \u00e8 una molecola polare?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“t2ctx”:{“id”:”t2ctx”,”image”:””,”imageId”:””,”title”:”A) CCl4 \u00e8 una molecola tetraedrica”,”isCorrect”:”1″},”zigrx”:{“id”:”zigrx”,”image”:””,”imageId”:””,”title”:”B) C e Cl hanno uguali valori di elettronegativit\u00e0″},”jqn0v”:{“id”:”jqn0v”,”image”:””,”imageId”:””,”title”:”C) Cl \u00e8 pi\u00f9 elettronegativo di C”},”t1wjg”:{“id”:”t1wjg”,”image”:””,”imageId”:””,”title”:”D) …

{“questions”:{“101km”:{“id”:”101km”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 1997 \r\n\r\n \r\nIl glucosio \u00e8 solubile in acqua e non si scioglie in benzene. In relazione a questa caratteristica il glucosio \u00e8:\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“nvxwh”:{“id”:”nvxwh”,”image”:””,”imageId”:””,”title”:”A) ionico”},”9i1vn”:{“id”:”9i1vn”,”image”:””,”imageId”:””,”title”:”B) polare”,”isCorrect”:”1″},”zm6xn”:{“id”:”zm6xn”,”image”:””,”imageId”:””,”title”:”C) non polare”},”zx33k”:{“id”:”zx33k”,”image”:””,”imageId”:””,”title”:”D) idratato”},”ff0ns”:{“id”:”ff0ns”,”image”:””,”imageId”:””,”title”:”E) oleoso”}}}},”results”:{“2pnek”:{“id”:”2pnek”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” …

{“questions”:{“esoxf”:{“id”:”esoxf”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2017 \r\n\r\n \r\nIndividuare quale tra le seguenti affermazioni sui legami covalenti \u00e8 vera.\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“sx4at”:{“id”:”sx4at”,”image”:””,”imageId”:””,”title”:”A) Possono formarsi solo tra atomi uguali “},”0w9xy”:{“id”:”0w9xy”,”image”:””,”imageId”:””,”title”:”B) Possono essere singoli, doppi o tripli”,”isCorrect”:”1″},”dnl26″:{“id”:”dnl26″,”image”:””,”imageId”:””,”title”:”C) Possono formarsi …

{“questions”:{“t2kzj”:{“id”:”t2kzj”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2016 \r\n\r\n \r\n Quale legame tiene uniti l’atomo di bromo e l\u2019atomo di idrogeno nel composto HBr?\r\n“,”desc”:””,”hint”:””,”answers”:{“j8f9r”:{“id”:”j8f9r”,”image”:””,”imageId”:””,”title”:”A) Covalente polare”,”isCorrect”:”1″},”fc6dq”:{“id”:”fc6dq”,”image”:””,”imageId”:””,”title”:”B) Ionico”},”esmrl”:{“id”:”esmrl”,”image”:””,”imageId”:””,”title”:”C) Dativo”},”n23u7″:{“id”:”n23u7″,”image”:””,”imageId”:””,”title”:”D) Idrogeno”},”dgohg”:{“id”:”dgohg”,”image”:””,”imageId”:””,”title”:”E) Covalente puro”}}}},”results”:{“bypna”:{“id”:”bypna”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nPer capire se il …

{“questions”:{“0czld”:{“id”:”0czld”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2002 \r\n\r\n \r\n\u201cLa coppia di elettroni condivisa in un legame covalente pu\u00f2, in determinati casi, provenire da uno solo dei due atomi legati. Per esempio, in seguito all\u2019addizione …

{“questions”:{“tmz4p”:{“id”:”tmz4p”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2008 \r\n\r\n \r\n Il legame covalente polarizzato si pu\u00f2 formare tra: \r\n“,”desc”:””,”hint”:””,”answers”:{“feizt”:{“id”:”feizt”,”image”:””,”imageId”:””,”title”:”A) atomi che possono cedere ed acquistare elettroni “},”rhvo8”:{“id”:”rhvo8″,”image”:””,”imageId”:””,”title”:”B) atomi dello stesso elemento “},”79w5r”:{“id”:”79w5r”,”image”:””,”imageId”:””,”title”:”C) atomi con la …