Archives

{“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 …

{“questions”:{“72i8q”:{“id”:”72i8q”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2005\r\n\r\n \r\nIndicare la coppia di elementi che possono legarsi con un legame ionico:\r\n“,”desc”:””,”hint”:””,”answers”:{“ubji2”:{“id”:”ubji2″,”image”:””,”imageId”:””,”title”:”A) He e Ar “},”52a9s”:{“id”:”52a9s”,”image”:””,”imageId”:””,”title”:”B) N e H”},”qptao”:{“id”:”qptao”,”image”:””,”imageId”:””,”title”:”C) H e O”},”az3d8″:{“id”:”az3d8″,”image”:””,”imageId”:””,”title”:”D) H e Cl”},”w76gn”:{“id”:”w76gn”,”image”:””,”imageId”:””,”title”:”E) K e …

{“questions”:{“hyc0b”:{“id”:”hyc0b”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2005\r\n\r\n \r\nIl legame ionico si forma:\r\n“,”desc”:””,”hint”:””,”answers”:{“acpny”:{“id”:”acpny”,”image”:””,”imageId”:””,”title”:”A) tra un semimetallo e un metallo “},”dmjdc”:{“id”:”dmjdc”,”image”:””,”imageId”:””,”title”:”B) tra un gas nobile e un metallo”},”xgy81″:{“id”:”xgy81″,”image”:””,”imageId”:””,”title”:”C) tra un metallo e un metallo”},”daa5l”:{“id”:”daa5l”,”image”:””,”imageId”:””,”title”:”D) tra un …

{“questions”:{“a13x7”:{“id”:”a13x7″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2017 \r\n\r\n \r\nIndividuare quale tra le seguenti affermazioni sui legami chimici \u00e8 FALSA.\r\n“,”desc”:””,”hint”:””,”answers”:{“o19ac”:{“id”:”o19ac”,”image”:””,”imageId”:””,”title”:”A) I legami chimici possono formarsi tra atomi diversi tra loro”},”byfsg”:{“id”:”byfsg”,”image”:””,”imageId”:””,”title”:”B) I legami chimici possono formarsi …