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{“questions”:{“rx5bk”:{“id”:”rx5bk”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2001 \r\n\r\n \r\n Nella molecola HCI, i due atomi sono uniti da un legame:\r\n“,”desc”:””,”hint”:””,”answers”:{“90l03”:{“id”:”90l03″,”image”:””,”imageId”:””,”title”:”A) covalente polarizzato”,”isCorrect”:”1″},”qksua”:{“id”:”qksua”,”image”:””,”imageId”:””,”title”:”B) a ponte di idrogeno”},”alplz”:{“id”:”alplz”,”image”:””,”imageId”:””,”title”:”C) ionico “},”6zuj0”:{“id”:”6zuj0″,”image”:””,”imageId”:””,”title”:”D) dativo”},”sd8l8″:{“id”:”sd8l8″,”image”:””,”imageId”:””,”title”:”E) covalente puro”}}}},”results”:{“mpt8j”:{“id”:”mpt8j”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nGli elettroni dei …

{“questions”:{“m1zv1”:{“id”:”m1zv1″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2000\r\n\r\n \r\n Il legame covalente \u00e8 polarizzato quando:\r\n“,”desc”:””,”hint”:””,”answers”:{“j6rv5”:{“id”:”j6rv5″,”image”:””,”imageId”:””,”title”:”A) si stabilisce tra atomi eguali”},”ayvje”:{“id”:”ayvje”,”image”:””,”imageId”:””,”title”:”B) richiede la compartecipazione di due coppie elettroniche”},”bp1r5″:{“id”:”bp1r5″,”image”:””,”imageId”:””,”title”:”C) si stabilisce tra atomi con differente elettronegativit\u00e0″,”isCorrect”:”1″},”xfvh5″:{“id”:”xfvh5″,”image”:””,”imageId”:””,”title”:”D) richiede …

{“questions”:{“m7cjy”:{“id”:”m7cjy”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 1998\r\n\r\n \r\nPer triplo legame si intende:\r\n“,”desc”:””,”hint”:””,”answers”:{“w7hf9”:{“id”:”w7hf9″,”image”:””,”imageId”:””,”title”:”A) un legame covalente tra tre molecole”},”yjxbn”:{“id”:”yjxbn”,”image”:””,”imageId”:””,”title”:”B) un legame tra tre ioni monovalenti”},”w956a”:{“id”:”w956a”,”image”:””,”imageId”:””,”title”:”C) un legame tra ioni trivalenti”},”ay7s4″:{“id”:”ay7s4″,”image”:””,”imageId”:””,”title”:”D) un legame derivante dalla compartecipazione …

{“questions”:{“y8zdm”:{“id”:”y8zdm”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 1998\r\n\r\n \r\nNella molecola H2, i due atomi sono uniti da un legame:\r\n“,”desc”:””,”hint”:””,”answers”:{“2amvd”:{“id”:”2amvd”,”image”:””,”imageId”:””,”title”:”A) ionico”},”c4uny”:{“id”:”c4uny”,”image”:””,”imageId”:””,”title”:”B) covalente”,”isCorrect”:”1″},”gqjlk”:{“id”:”gqjlk”,”image”:””,”imageId”:””,”title”:”C) a ponte di idrogeno”},”y9kem”:{“id”:”y9kem”,”image”:””,”imageId”:””,”title”:”D) dativo”},”31oz9″:{“id”:”31oz9″,”image”:””,”imageId”:””,”title”:”E) covalente polarizzato”}}}},”results”:{“11dag”:{“id”:”11dag”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” Due atomi uguali si legano sempre con …

{“questions”:{“ky0u9”:{“id”:”ky0u9″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2013\r\n\r\n \r\nNella Tavola Periodica l\u2019elemento R appartiene al Gruppo 17, l\u2019elemento X al Gruppo 1 e l\u2019elemento T al Gruppo 16. Se questi elementi reagiscono tra loro formando …

{“questions”:{“4t6pd”:{“id”:”4t6pd”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2007\r\n\r\n \r\n Il legame covalente necessita di:\r\n“,”desc”:””,”hint”:””,”answers”:{“sdfnn”:{“id”:”sdfnn”,”image”:””,”imageId”:””,”title”:”A) trasferimento di elettroni tra atomi “},”jfysi”:{“id”:”jfysi”,”image”:””,”imageId”:””,”title”:”B) condivisione degli elettroni tra atomi”,”isCorrect”:”1″},”yotn5″:{“id”:”yotn5″,”image”:””,”imageId”:””,”title”:”C) cessione di almeno due elettroni”},”p1p9j”:{“id”:”p1p9j”,”image”:””,”imageId”:””,”title”:”D) acquisizione di almeno tre elettroni”},”xxozs”:{“id”:”xxozs”,”image”:””,”imageId”:””,”title”:”E) …

{“questions”:{“t1io0”:{“id”:”t1io0″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2016 \r\n\r\n \r\n Il legame ionico \u00e8 un legame:\r\n“,”desc”:””,”hint”:””,”answers”:{“jgmmp”:{“id”:”jgmmp”,”image”:””,”imageId”:””,”title”:”A) intermolecolare “},”fytka”:{“id”:”fytka”,”image”:””,”imageId”:””,”title”:”B) che si instaura tra atomi metallici”},”czmdt”:{“id”:”czmdt”,”image”:””,”imageId”:””,”title”:”C) apolare”},”fvzn4″:{“id”:”fvzn4″,”image”:””,”imageId”:””,”title”:”D) in cui gli elettroni vengono condivisi tra due atomi uguali”},”iestq”:{“id”:”iestq”,”image”:””,”imageId”:””,”title”:”E) …

{“questions”:{“haexw”:{“id”:”haexw”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2012\r\n\r\n \r\nTra quali delle seguenti coppie di elementi si stabilisce un legame prevalentemente ionico?\r\n“,”desc”:””,”hint”:””,”answers”:{“pd35c”:{“id”:”pd35c”,”image”:””,”imageId”:””,”title”:”A) S e O”},”psq20″:{“id”:”psq20″,”image”:””,”imageId”:””,”title”:”B) H e C”},”a5zmh”:{“id”:”a5zmh”,”image”:””,”imageId”:””,”title”:”C) K e Cl”,”isCorrect”:”1″},”xlz6v”:{“id”:”xlz6v”,”image”:””,”imageId”:””,”title”:”D) Fe e Fe”},”fmun9″:{“id”:”fmun9″,”image”:””,”imageId”:””,”title”:”E) Si e …

{“questions”:{“tskyx”:{“id”:”tskyx”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2008\r\n\r\n \r\nQuale indicazione pu\u00f2 far supporre che un composto binario sia ionico? \r\n“,”desc”:””,”hint”:””,”answers”:{“sr0g1”:{“id”:”sr0g1″,”image”:””,”imageId”:””,”title”:”A) I due elementi che lo compongono sono entrambi non-metalli “},”760×3”:{“id”:”760×3″,”image”:””,”imageId”:””,”title”:”B) Dei due elementi che lo …

{“questions”:{“v83gk”:{“id”:”v83gk”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2008\r\n\r\n \r\nPer legame ionico si intende la forza di attrazione:\r\n“,”desc”:””,”hint”:””,”answers”:{“qaka5”:{“id”:”qaka5″,”image”:””,”imageId”:””,”title”:”A) tra gli atomi negli elementi “},”9xbcg”:{“id”:”9xbcg”,”image”:””,”imageId”:””,”title”:”B) tra gli elettroni e i protoni in qualsiasi atomo”},”8rlu7″:{“id”:”8rlu7″,”image”:””,”imageId”:””,”title”:”C) tra il nucleo …