±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1512  |  »Ø¸´: 5

ÒÀÈôÙâ

гæ (³õÈëÎÄ̳)

[ÇóÖú] Çó°ïæ·­ÒëÒ»ÏÂ

Just as a brick falls to earth in response to the attractive force of gravity, or a compass needle moves under magnetic force, so atoms and electrons respond to the forces on them by undergoing chemical reaction. By far the most important requirement for an understanding of chemical reaction and its results is an understanding of the forces exerted on electrons before and after reaction and the resulting forces exerted on atoms. The latter forces are called chemical bonds; they are the principal object of most of the study of chemistry
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

Èç¹û¿ÉÄܵϰ£¬¸üǿһЩ£¬Äþ¿ÉÇ¿µÄÈÃÈËÏÛĽ£¬Ò²²»ÄÜÈõµÃÈÃÈË¿ÉÁ¯£¡
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

befair

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
hanches: ½ð±Ò+2, ÈÈÐÄÓ¦ÖúÓн±~~~ 2013-10-18 12:30:39
ÕýÈçÒ»¿éשÓÉÓÚµØÇòÒýÁ¦×¹Âäµ½µØÃ棬 Ö¸ÄÏÕëÒòΪ´ÅÁ¦¶øÆ«×ªÒ»Ñù£¬Ô­×Ӻ͵ç×ÓÊÜÁ¦ºó¾Í»á¾­Àú»¯Ñ§·´Ó¦¡£Òò´Ë£¬Àí½â»¯Ñ§·´Ó¦¼°Æä½á¹ûµÄ×îÖØÒªµÄÒªÇó¾ÍÊÇŪ¶®·´Ó¦Ç°ºóÊ©¼ÓÔÚµç×ÓÉϵÄÁ¦ºÍ²úÉúÔÚÔ­×ÓÉϵÄÁ¦¡£ºóÕß½Ð×ö»¯Ñ§¼ü, ËüÃÇÊÇ»¯Ñ§Ñ§¿ÆÀï×îΪÖ÷ÒªµÄÑо¿¶ÔÏó¡£
¹©²Î¿¼
Befairorbeaware
2Â¥2013-10-17 16:32:52
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

stingdhk

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï
hanches: ½ð±Ò+2, ÈÈÐÄÓ¦ÖúÓн±~~~ 2013-10-23 15:58:47
ÕýÈçש¿éÓÉÓÚµØÇòÒýÁ¦Âäµ½µØÃ棬ָÄÏÕëÔڴų¡×÷ÓÃÏÂÆ«×ªÒ»Ñù£¬Ô­×Ó»òµç×ÓÒ²ÒòΪÏàÓ¦µÄ×÷ÓÃÁ¦·¢Éú»¯Ñ§·´Ó¦¡£Òò´Ë£¬Àí½â»¯Ñ§·´Ó¦¼°Æä½á¹û×îÖØÒªµÄÊÇÀí½âÔÚ·´Ó¦Ç°ºóµç×ÓÉϵÄ×÷ÓÃÁ¦¼°Òò´Ë¶ø²úÉúµÄ×÷ÓÃÓÚÔ­×ÓÉϵÄÁ¦¡£ÆäÖкóÕß±»³ÆÎª»¯Ñ§¼ü£¬ËûÃÇÊǶàÊý»¯Ñ§Ñ§¿ÆµÄÖ÷ÒªÑо¿¶ÔÏó¡£
3Â¥2013-10-21 13:16:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

СÃ×ÝËÝË

гæ (³õÈëÎÄ̳)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï
hanches: ½ð±Ò+2, ¸ÐлӦÖú£¬BB½±Àø£¬»¶Ó­³£À´±¾°æ²ÎÓë½»Á÷~~~ 2013-10-23 15:58:55
ÒÀÈôÙâ: ½ð±Ò+2, ¡ï¡ï¡ïºÜÓаïÖú 2014-01-01 22:08:52
ÕýÈçÒ»¿éשÓÉÓÚµØÇòÒýÁ¦×¹Âäµ½µØÃ棬 Ö¸ÄÏÕëÒòΪ´ÅÁ¦¶øÆ«×ªÒ»Ñù£¬Ô­×Ӻ͵ç×ÓÊÜÁ¦ºó¾Í»á¾­Àú»¯Ñ§·´Ó¦¡£Òò´Ë£¬Àí½â»¯Ñ§·´Ó¦¼°Æä½á¹ûµÄ×îÖØÒªµÄÒªÇóÊÇŪ¶®·´Ó¦Ç°ºóÊ©¼ÓÔÚµç×ÓÉϵÄÁ¦ºÍ²úÉúÔÚÔ­×ÓÉϵÄÁ¦¡£ºóÕ߽л¯Ñ§¼ü, ËüÃÇÊÇ»¯Ñ§Ñ§¿ÆÀï×îΪÖ÷ÒªµÄÑо¿¶ÔÏó¡£
4Â¥2013-10-22 16:56:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lianglingygw

Òø³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

·¹ý£¬×î½üÔÚѧϰӢÓлл¸÷λ´ïÈ˵ķ­Ò룬À÷º¦
Ò»Ìì½ø²½Ò»µãµã
5Â¥2013-10-22 20:23:37
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ali-wang

½ð³æ (ÕýʽдÊÖ)

ÎҲſ´µ½Õâ¸öÌû×Ó£¬¾Í²»×ö·­ÒëÁË£¬Îҵķ­ÒëºÍ2¡¢3¡¢4Â¥Ò»ÑùµÄ£¡
æëæ÷Ò»Ô¾£¬²»ÄÜÊ®²½£»æåÂíÊ®¼Ý£¬¹¦ÔÚ²»Éᣡ
6Â¥2013-10-27 05:36:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ÒÀÈôÙâ µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Ò»Ö¾Ô¸Ö£ÖÝ´óѧ085600Çóµ÷¼Á +5 ³ÔµÄ²»ÉÙ 2026-04-05 6/300 2026-04-05 20:06 by ³ÔµÄ²»ÉÙ
[¿¼ÑÐ] Çóµ÷¼Á Ò»Ö¾Ô¸Î÷ÄϽ»Í¨´óѧ085701»·¾³¹¤³Ì 282·Ö +7 ¶à¶à°®³Ôºº±¤ 2026-04-04 7/350 2026-04-05 19:47 by ¸£Å©×Ê»·_»·¾³»ù
[¿¼ÑÐ] Ò»Ö¾Ô¸Äϲý´óѧ£¬085600£¬344·ÖÇóµ÷¼Á +4 µ÷¼ÁÉϰ¶«^ 2026-04-05 4/200 2026-04-05 18:31 by imissbao
[¿¼ÑÐ] 085410È˹¤ÖÇÄÜ ³õÊÔ316·Ö Çóµ÷¼Á +6 ²ÐÐÇ·÷Êï 2026-03-31 6/300 2026-04-05 12:15 by rainbow11
[¿¼ÑÐ] 081700»¯Ñ§¹¤³ÌÓë¼¼Êõ Ò»Ö¾Ô¸Öк£Ñó 323 Çóµ÷¼ÁѧУ +16 ÅûÐÇºÓ 2026-04-03 16/800 2026-04-05 09:00 by dick_runner
[¿¼ÑÐ] 266·Ö£¬Ò»Ö¾Ô¸µçÆø¹¤³Ì£¬±¾¿Æ²ÄÁÏ£¬Çó²ÄÁÏרҵµ÷¼Á +11 ÍÛºôºßºôºß 2026-04-01 12/600 2026-04-04 23:17 by ÓÀ×ÖºÅ
[¿¼ÑÐ] 11408 Ò»Ö¾Ô¸Î÷µç£¬277·ÖÇóµ÷¼Á +4 zhouzhen654 2026-04-03 4/200 2026-04-04 18:10 by Öí»á·É
[ÂÛÎÄͶ¸å] ÇóÎÄÏ× 5+3 ys879651$ 2026-04-02 3/150 2026-04-04 17:22 by bobvan
[¿¼ÑÐ] 288Çóµ÷¼Á Ò»Ö¾Ô¸¹þ¹¤´ó ²ÄÁÏÓ뻯¹¤ +39 ÂåÉñ¸ç¸ç 2026-03-31 41/2050 2026-04-03 21:51 by qlm5820
[¿¼ÑÐ] 285Çóµ÷¼Á +5 AZMK 2026-04-03 8/400 2026-04-03 18:17 by AZMK
[¿¼ÑÐ] 266Çóµ÷¼Á +3 08µçÆø¹¤³Ì 2026-04-03 3/150 2026-04-03 14:05 by 1753564080
[¿¼ÑÐ] 260Çóµ÷¼Á +3 ÖìÜÆÁÕ 2026-04-02 3/150 2026-04-03 08:44 by yulian1987
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£© +6 ÏàÐűػá¹ââÍòÕ 2026-03-31 7/350 2026-04-02 23:16 by JourneyLucky
[¿¼ÑÐ] 08¹¤¿ÆÇóµ÷¼Á290·Ö +5 1314Åõ»¨ 2026-04-02 8/400 2026-04-02 13:16 by ÇÇßÕßÕßÕ
[¿¼ÑÐ] 0805Çóµ÷¼Á +8 ÊÇË®·Ö 2026-03-31 8/400 2026-04-02 10:46 by guanxin1001
[¿¼ÑÐ] ½­ËտƼ¼´óѧÕвÄÁÏÑо¿Éú +4 Su032713. 2026-04-01 5/250 2026-04-01 22:03 by cccchenso
[¿¼ÑÐ] °²È«¹¤³Ì 285 Çóµ÷¼Á +3 Xinyu56 2026-04-01 4/200 2026-04-01 21:50 by ¾²¾²¾²¾²¾²¾²¾²¾
[¿¼ÑÐ] Çóµ÷¼Á +4 DADA¹Ö 2026-03-31 4/200 2026-04-01 14:30 by ZXlzxl0425
[¿¼ÑÐ] »·¾³¹¤³Ìµ÷¼Á +9 hyzzzzzzz. 2026-04-01 9/450 2026-04-01 14:20 by salamander`
[¿¼ÑÐ] 318Çóµ÷¼Á +10 ³Â³¿79 2026-03-30 10/500 2026-03-31 17:37 by 544594351
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û