ÌâÄ¿ÄÚÈÝ
µª»¯Åð(BN)ÊÇÒ»ÖÖÖØÒªµÄ¹¦ÄÜÌմɲÄÁÏ£®ÒÔÌìÈ»ÅðɰΪÆðʼÎ¾¹ýһϵÁз´Ó¦¿ÉÒԵõ½BF3ºÍBN£¬ÈçÏÂͼËùʾ
Çë»Ø´ðÏÂÁÐÎÊÌ⣺
(1)ÓÉB2O3ÖƱ¸BF3¡¢BNµÄ»¯Ñ§·½³ÌʽÒÀ´ÎÊÇ ¡¢ £»
(2)»ù̬BÔ×ӵĵç×ÓÅŲ¼Ê½Îª £»BºÍNÏà±È£¬µç¸ºÐԽϴóµÄÊÇ
£¬BNÖÐBÔªËصĻ¯ºÏ¼ÛΪ £»
(3)ÔÚBF3·Ö×ÓÖУ¬F-B-FµÄ¼ü½ÇÊÇ £¬BÔ×ÓµÄÔÓ»¯¹ìµÀÀàÐÍΪ
£¬BF3ºÍ¹ýÁ¿NaF×÷ÓÿÉÉú³ÉNaBF4£¬BF4-µÄÁ¢Ìå½á¹¹Îª £»
(4)ÔÚÓëʯī½á¹¹ÏàËƵÄÁù·½µª»¯Åð¾§ÌåÖУ¬²ãÄÚBÔ×ÓÓëNÔ×ÓÖ®¼äµÄ»¯Ñ§¼üΪ £¬²ã¼ä×÷ÓÃÁ¦Îª £»
(5)Áù·½µª»¯ÅðÔÚ¸ßθßѹÏ£¬¿ÉÒÔת»¯ÎªÁ¢·½µª»¯Åð£¬Æä½á¹¹Óë½ð¸ÕʯÏàËÆ£¬Ó²¶ÈÓë½ð¸ÕʯÏ൱£¬¾§°û±ß³¤Îª361.5pm£¬Á¢·½µª»¯Å𾧰ûÖк¬ÓÐ ¸öµªÔ×Ó¡¢ ¸öÅðÔ×Ó£¬Á¢·½µª»¯ÅðµÄÃܶÈÊÇ g?cm-3(Ö»ÒªÇóÁÐËãʽ£¬²»±Ø¼ÆËã³öÊýÖµ£¬°¢·üÙ¤µÂÂÞ³£ÊýΪNA)
Çë»Ø´ðÏÂÁÐÎÊÌ⣺
(1)ÓÉB2O3ÖƱ¸BF3¡¢BNµÄ»¯Ñ§·½³ÌʽÒÀ´ÎÊÇ ¡¢ £»
(2)»ù̬BÔ×ӵĵç×ÓÅŲ¼Ê½Îª £»BºÍNÏà±È£¬µç¸ºÐԽϴóµÄÊÇ
£¬BNÖÐBÔªËصĻ¯ºÏ¼ÛΪ £»
(3)ÔÚBF3·Ö×ÓÖУ¬F-B-FµÄ¼ü½ÇÊÇ £¬BÔ×ÓµÄÔÓ»¯¹ìµÀÀàÐÍΪ
£¬BF3ºÍ¹ýÁ¿NaF×÷ÓÿÉÉú³ÉNaBF4£¬BF4-µÄÁ¢Ìå½á¹¹Îª £»
(4)ÔÚÓëʯī½á¹¹ÏàËƵÄÁù·½µª»¯Åð¾§ÌåÖУ¬²ãÄÚBÔ×ÓÓëNÔ×ÓÖ®¼äµÄ»¯Ñ§¼üΪ £¬²ã¼ä×÷ÓÃÁ¦Îª £»
(5)Áù·½µª»¯ÅðÔÚ¸ßθßѹÏ£¬¿ÉÒÔת»¯ÎªÁ¢·½µª»¯Åð£¬Æä½á¹¹Óë½ð¸ÕʯÏàËÆ£¬Ó²¶ÈÓë½ð¸ÕʯÏ൱£¬¾§°û±ß³¤Îª361.5pm£¬Á¢·½µª»¯Å𾧰ûÖк¬ÓÐ ¸öµªÔ×Ó¡¢ ¸öÅðÔ×Ó£¬Á¢·½µª»¯ÅðµÄÃܶÈÊÇ g?cm-3(Ö»ÒªÇóÁÐËãʽ£¬²»±Ø¼ÆËã³öÊýÖµ£¬°¢·üÙ¤µÂÂÞ³£ÊýΪNA)
(1)ÓÉͼ¿ÉÖªB2O3ÓëCaF2ºÍH2SO4·´Ó¦¼´Éú³ÉBF3£¬Í¬Ê±»¹Ó¦¸Ã²úÉúÁòËá¸ÆºÍË®£¬ B2O3Óë°±ÆøÔÚ¸ßÎÂÏ·´Ó¦¼´Éú³ÉBN¡£
(2)»ù̬BÔ×ӵĵç×ÓÅŲ¼Ê½Îª1s22s22p1£»BÓëN ¾ùλÓÚµÚ¶þÖÜÆÚ£¬µç¸ºÐÔ´Ó×óÏòÓÒÒÀ´ÎµÝ¼õ£¬ËùÒÔNµÄµç¸ºÐÔ´óÓÚB£»BNÖÐBÔªËصĻ¯ºÏ¼ÛΪ+3¡£
(3)ÒÀ¾Ý¼Û²ãµç×Ó¶Ô»¥³âÀíÂÛ£¬¼ÆËã³öBF3µÄ¹Â¶Ôµç×Ó¶ÔÊýΪ0£¬²¢ÇÒ¼Û²ãµç×Ó¶ÔÊýΪ3£¬ËùÒÔBF3·Ö×ÓΪƽÃæÕýÈý½ÇÐνṹ£¬¼ü½ÇΪ120¡ã£¬ÔÓ»¯·½Ê½Îªsp2£»BF4-ÖÐÐÄÔ×ӵŶԵç×Ó¶ÔÊýΪ0£¬Æä¼Û²ãµç×Ó¶ÔÊýΪ4£¬ËùÒÔÆä½á¹¹ÎªÕýËÄÃæÌ壮¹Ê´ð°¸Îª£º120¡ã£»sp2£»ÕýËÄÃæÌ壻
(4)B¡¢N¾ùÊôÓڷǽðÊôÔªËØ£¬¶þÕßÐγɵĻ¯Ñ§¼üÊǼ«ÐÔ¹²¼Û¼ü£»¸ù¾Ýʯī½á¹¹¿ÉÖªÁù·½µª»¯Åð¾§ÌåÖУ¬²ãÓë²ãÖ®¼ä¿¿·Ö×Ó¼ä×÷ÓÃÁ¦½áºÏ¡£
(5)¸ù¾Ý½ð¸ÕʯµÄ½á¹¹¿ÉÒÔÅжϳö½ð¸ÕʯµÄÒ»¸ö¾§°ûÖк¬ÓеÄ̼Ô×ÓÊý8£¬ÔòÒ»¸öÁ¢·½µª»¯Å𾧰ûÖк¬ÓÐ4¸öNÔ×ÓºÍ4¸öBÔ×Ó£®Ò»¸ö¾§°ûÖеÄÖÊÁ¿Îª25¡Á4g/NA£¬Ò»¸öÁ¢·½µª»¯Å𾧰ûµÄÌå»ýÊÇ(361.5¡Á10-10cm)3£¬ÆäÃܶÈΪ£¬¡£
(2)»ù̬BÔ×ӵĵç×ÓÅŲ¼Ê½Îª1s22s22p1£»BÓëN ¾ùλÓÚµÚ¶þÖÜÆÚ£¬µç¸ºÐÔ´Ó×óÏòÓÒÒÀ´ÎµÝ¼õ£¬ËùÒÔNµÄµç¸ºÐÔ´óÓÚB£»BNÖÐBÔªËصĻ¯ºÏ¼ÛΪ+3¡£
(3)ÒÀ¾Ý¼Û²ãµç×Ó¶Ô»¥³âÀíÂÛ£¬¼ÆËã³öBF3µÄ¹Â¶Ôµç×Ó¶ÔÊýΪ0£¬²¢ÇÒ¼Û²ãµç×Ó¶ÔÊýΪ3£¬ËùÒÔBF3·Ö×ÓΪƽÃæÕýÈý½ÇÐνṹ£¬¼ü½ÇΪ120¡ã£¬ÔÓ»¯·½Ê½Îªsp2£»BF4-ÖÐÐÄÔ×ӵŶԵç×Ó¶ÔÊýΪ0£¬Æä¼Û²ãµç×Ó¶ÔÊýΪ4£¬ËùÒÔÆä½á¹¹ÎªÕýËÄÃæÌ壮¹Ê´ð°¸Îª£º120¡ã£»sp2£»ÕýËÄÃæÌ壻
(4)B¡¢N¾ùÊôÓڷǽðÊôÔªËØ£¬¶þÕßÐγɵĻ¯Ñ§¼üÊǼ«ÐÔ¹²¼Û¼ü£»¸ù¾Ýʯī½á¹¹¿ÉÖªÁù·½µª»¯Åð¾§ÌåÖУ¬²ãÓë²ãÖ®¼ä¿¿·Ö×Ó¼ä×÷ÓÃÁ¦½áºÏ¡£
(5)¸ù¾Ý½ð¸ÕʯµÄ½á¹¹¿ÉÒÔÅжϳö½ð¸ÕʯµÄÒ»¸ö¾§°ûÖк¬ÓеÄ̼Ô×ÓÊý8£¬ÔòÒ»¸öÁ¢·½µª»¯Å𾧰ûÖк¬ÓÐ4¸öNÔ×ÓºÍ4¸öBÔ×Ó£®Ò»¸ö¾§°ûÖеÄÖÊÁ¿Îª25¡Á4g/NA£¬Ò»¸öÁ¢·½µª»¯Å𾧰ûµÄÌå»ýÊÇ(361.5¡Á10-10cm)3£¬ÆäÃܶÈΪ£¬¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿