Quiz — Atome de béryllium et ses ions.pdf

Question 1 sur 10 20:00

[{"id":87193,"question":"Quel est le numéro atomique du béryllium ?","option_a":"2","option_b":"4","option_c":"6","option_d":"8","option_e":"","option_f":"","bonne_reponse":"b","explication":"Le numéro atomique correspond au nombre de protons, soit 4 pour le béryllium.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"2\", \"b\": \"4\", \"c\": \"6\", \"d\": \"8\"}}","_debug_options_count":4},{"id":87194,"question":"La configuration électronique du béryllium est 1s² 2s². Vrai ou Faux ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La configuration est correcte : 1s² 2s².","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":87195,"question":"Combien d'électrons de valence possède le béryllium ?","option_a":"1","option_b":"2","option_c":"3","option_d":"4","option_e":"","option_f":"","bonne_reponse":"b","explication":"Le béryllium a 2 électrons dans sa couche de valence (2s²).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"1\", \"b\": \"2\", \"c\": \"3\", \"d\": \"4\"}}","_debug_options_count":4},{"id":87196,"question":"Quel ion forme principalement le béryllium ?","option_a":"Be⁺","option_b":"Be²⁺","option_c":"Be³⁺","option_d":"Be⁻","option_e":"","option_f":"","bonne_reponse":"b","explication":"Le béryllium perd 2 électrons pour former Be²⁺ et atteindre la configuration de l'hélium.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Be⁺\", \"b\": \"Be²⁺\", \"c\": \"Be³⁺\", \"d\": \"Be⁻\"}}","_debug_options_count":4},{"id":87197,"question":"Le béryllium est un métal conducteur d'électricité. Vrai ou Faux ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Le béryllium est un métal conducteur, utilisé dans les alliages pour l'électronique.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":87198,"question":"Quelle est la position du béryllium dans le tableau périodique ?","option_a":"Période 1, groupe 1","option_b":"Période 2, groupe 2","option_c":"Période 3, groupe 1","option_d":"Période 2, groupe 17","option_e":"","option_f":"","bonne_reponse":"b","explication":"Le béryllium est en période 2, groupe 2 (métaux alcalino-terreux).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Période 1, groupe 1\", \"b\": \"Période 2, groupe 2\", \"c\": \"Périod","_debug_options_count":4},{"id":87199,"question":"Un atome de béryllium a 4 neutrons. Quel est son nombre de masse ?","option_a":"4","option_b":"8","option_c":"7","option_d":"9","option_e":"","option_f":"","bonne_reponse":"c","explication":"Nombre de masse = protons + neutrons = 4 + 4 = 8.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"4\", \"b\": \"8\", \"c\": \"7\", \"d\": \"9\"}}","_debug_options_count":4},{"id":87200,"question":"La règle de l'octet s'applique-t-elle au béryllium ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Le béryllium suit la règle du duet (2 électrons) car il est petit et proche de l'hélium.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":87201,"question":"Quel est le symbole chimique du béryllium ?","option_a":"B","option_b":"Be","option_c":"Br","option_d":"Ba","option_e":"","option_f":"","bonne_reponse":"b","explication":"Le symbole du béryllium est Be.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"B\", \"b\": \"Be\", \"c\": \"Br\", \"d\": \"Ba\"}}","_debug_options_count":4},{"id":87202,"question":"Le béryllium est-il un élément radioactif ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"Le béryllium naturel est stable, mais certains isotopes sont radioactifs.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4}]