Question

£¨15·Ö£©¿Æѧ¼ÒÃÇÔÚ̽Ë÷ÉúÃü°ÂÃصĹý³ÌÖУ¬ÈÏʶµ½ÉúÃüϸ°ûµÄ×é³ÉºÍÔªËØÖÜÆÚÂÉÓÐ×ÅÃÜÇеÄÁªÏµ£¬Ô¼Õ¼ÈËÌå×ÜÖÊÁ¿99.97%µÄ11ÖÖ´óÁ¿ÔªËØÈ«²¿Î»ÓÚÔªËØÖÜÆÚ±íÇ°20ºÅÔªËØ£¬ÆäÓà0.03%ÊÇÓÉ10¶àÖÖÈËÌå²»¿ÉȱÉÙµÄ΢Á¿ÔªËØ×é³É¡£ÏÖÓÐa~g 7ÖÖ¶ÌÖÜÆÚÔªËØ£¬ÊdzýÑõ¡¢Áò¡¢¼Ø¡¢¸ÆÍâµÄÆäËû´óÁ¿ÔªËØ£¬ËüÃÇÔÚÔªËØÖÜÆÚ±íÖеÄλÖÃÈçÏ£¬Çë¾Ý´Ë»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©ÔªËصÄÔ­×Ӽ䷴Ӧ×îÈÝÒ×ÐγÉÀë×Ó¼üµÄÊÇÏÂÁÐÖеģ¨   £©£¬ÔªËصÄÔ­×Ӽ䷴ӦÈÝÒ×Ðγɹ²¼Û¼üµÄÊÇÏÂÁÐÖеģ¨   £©
A£®cºÍf               B£®bºÍg            C£®dºÍg           D£®dºÍe

²Ý¸å´¦

£¨2£©ÏÂÁÐÓÉa~gÐγɵĸ÷·Ö×ÓÖУ¬ËùÓÐÔ­×Ó¶¼Âú×ã×îÍâ²ãΪ8µç×ӽṹµÄÊÇ

A£®ea₃                 B£®ag               C£®fg₃               D£®dg₄
£¨3£©ÓÉ11ÖÖÔªËصļ¸ÖַǽðÊôÔªËع¹³ÉµÄÀë×Ó»¯ºÏÎïµÄµç×ÓʽΪ___            ___¡£
£¨4£©cÓëe¿ÉÐγÉÒ»ÖÖ»¯ºÏÎÊÔ¸ù¾ÝÔ­×ӽṹд³ö¸Ã»¯ºÏÎïµÄ»¯Ñ§Ê½¡¡¡¡¡¡¡¡¡¡¡¡¡¡£¬
»¯Ñ§¼üÀàÐÍΪ¡¡¡¡¡¡¡¡£¬ÓëÏ¡ÑÎËá·´Ó¦µÄ·½³ÌʽΪ     ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡       ¡£

Answer 1

(¹²15·Ö)¡¡£¨1£©B £¨2·Ö£©¡¡C £¨2·Ö£©¡¡¡¡£¨2£©CD£¨2·Ö£©
£¨3£©£¨2·Ö£©
£¨4£©Mg₃N₂£¨2·Ö£©¡¡¡¡Àë×Ó¼ü £¨2·Ö£©
Mg₃N₂+8HCl=3MgCl₂+2NH₄Cl£¨3·Ö£©

½âÎö