Quiz interactif : Structure atomique et ions du béryllium

Question 1 sur 10 10:00

[{"id":68262,"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},{"id":68263,"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},{"id":68264,"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},{"id":68265,"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},{"id":68266,"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},{"id":68267,"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},{"id":68268,"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},{"id":68269,"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},{"id":68270,"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},{"id":68271,"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}]