²é¿´: 14481  |  »Ø¸´: 22
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

cherishstone

½ð³æ (ÕýʽдÊÖ)


[½»Á÷] ÖÐÎͼ½Ð¡°¼î¡±£¬µ«ÔÚÓ¢ÎÄÖУ¬¡°base¡±ºÍ¡°alkali¡°ÓÐÊ²Ã´Çø±ðÄØ£¿

ÈçÌâ¡£

[ Last edited by cherishstone on 2012-4-19 at 16:50 ]
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Easony

ÖÁ×ðľ³æ (ÖªÃû×÷¼Ò)


¡ï
cherishstone(½ð±Ò+1): лл²ÎÓë
×îºÃµÄ×£¸£¸ø×îºÃµÄÄ㣡
10Â¥2012-04-19 20:22:40
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 23 ¸ö»Ø´ð

yeqs1

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)


¡ï ¡ï ¡ï
cherishstone(½ð±Ò+1): лл²ÎÓë
flylrh: ½ð±Ò+2, лл½»Á÷~ 2012-04-20 12:44:27
¿´¿´Î¬»ù¶ÔalkaliµÄ½âÊÍ
In chemistry, an alkali  is a basic, ionic salt of an alkali metal or alkaline earth metal element. Some authors also define an alkali as a base that dissolves in water.

Difference between alkali and base

The terms "base" and "alkali" are often used interchangeably, particularly outside of a scientific context.

There are various definitions for alkali. Alkali is often defined as a subset of base. However, two subsets are commonly chosen.
A basic salt of an alkali metal or alkaline earth metal[2] (This includes Mg(OH)2 but excludes NH3.)
Any base that is water-soluble and forms hydroxide ions[3][4][5] or the solution of a base in water.[6] (This excludes Mg(OH)2 but includes NH3.)

The second subset of base is also called an Arrhenius base.
2Â¥2012-04-19 16:54:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

cherishstone

½ð³æ (ÕýʽдÊÖ)


ÒýÓûØÌû:
2Â¥: Originally posted by yeqs1 at 2012-04-19 16:54:51:
¿´¿´Î¬»ù¶ÔalkaliµÄ½âÊÍ
In chemistry, an alkali  is a basic, ionic salt of an alkali metal or alkaline earth metal element. Some authors also define an alkali as a base that dissolves in water.

...

лл£¬ÒѾ­ºÜÏ꾡ÁË£¡¿´À´20½ð±Ò¸ø¶àÁË¡£ ÊǸó£ÓÃά»ù²Å¶Ô£¡Ñ§Ï°ÁË£¡
3Â¥2012-04-19 17:00:45
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

linxi5925

ÖÁ×ðľ³æ (ÖªÃû×÷¼Ò)


¡ï
cherishstone(½ð±Ò+1): лл²ÎÓë
×£¸£Â¥Ö÷¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£
6Â¥2012-04-19 18:13:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
¼òµ¥»Ø¸´
2012-04-19 21:09   »Ø¸´  
cherishstone(½ð±Ò+1): лл²ÎÓë
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[»ù½ðÉêÇë] ÃæÉϺÏ×÷µ¥Î»¸ÇÕ +3 ssyjh 2026-08-27 3/150 2026-08-27 09:59 by °¢À­¹±aragon
[»ù½ðÉêÇë] »ù½ð²»ÖУ¬¹²Ãã +7 eulota 2026-08-26 7/350 2026-08-27 09:02 by hsding2026
[»ù½ðÉêÇë] ÈÃÎÒÖÐÒ»¸öÃæÉϰɣ¡ +13 ´óƼ1987 2026-08-20 17/850 2026-08-27 08:20 by ´óƼ1987
[˶²©¼ÒÔ°] ÊÛSCIÒ»ÇøT0PÎÄÕ£¬ÎÒ:8.O.55.1.O.54,¿ÆÄ¿ÆëÈ«,¿É+¼± +3 LIbGuocjEEYw 2026-08-26 4/200 2026-08-27 02:01 by Ie9AyIAvGbvs
[»ù½ðÉêÇë] ϵͳ²é²»µ½ +10 ¶­°Ëǧ 2026-08-26 10/500 2026-08-26 16:30 by Equinoxhua
[»ù½ðÉêÇë] ÄÜ·ñÍ˳ö²ÎÓëµÄÃæÉÏÏîÄ¿½â³ýÏÞÏî +23 koalala 2026-08-24 26/1300 2026-08-26 14:29 by ±¦±´³æ×Ó
[»ù½ðÉêÇë] ³öÀ´ÁË +9 trojank 2026-08-26 9/450 2026-08-26 14:25 by ±¦±´³æ×Ó
[»ù½ðÉêÇë] ÄÄλ¸ßÈËÖÐÁË£¬°Ñ²éѯµ½µÄ½ØÍ¼Ìù³öÀ´ÈÃÎÒ¿´¿´£¬ÈÃÎÒ³¤³¤¼ûʶ +4 yuleib84 2026-08-26 5/250 2026-08-26 13:40 by yuleib84
[»ù½ðÉêÇë] Ϊʲô¹ú×ÔÈ»²»ÄÜÖ±½Ó¹«²¼ +4 bjdxyxy 2026-08-26 4/200 2026-08-26 13:12 by qingmu1201
[»ù½ðÉêÇë] ¹ú¼ÊºÏ×÷¿É²éÁË£¬ÖÐÁËÃæÉÏ +18 Ldrop2023 2026-08-26 18/900 2026-08-26 11:15 by cmrandy
[»ù½ðÉêÇë] ÏîÄ¿ÐÅÏ¢ºÍ¾­·ÑÐÅÏ¢ÔÚϵͳÀï¶¼¿ÉÒÔ¿´µ½ÁË +6 wittyboy 2026-08-26 14/700 2026-08-26 10:55 by wittyboy
[»ù½ðÉêÇë] Ôõô¿´Çà»ùÖÐÁËûÓа¡ +4 Ò¶¾Å΢ 2026-08-26 4/200 2026-08-26 10:52 by xiacongxu
[»ù½ðÉêÇë] ¹úºÏ¿É²éÁË +3 paperzjh 2026-08-26 3/150 2026-08-26 10:41 by LemmonTr
[Ö°³¡ÈËÉú] ѧÉúײ¼û¸¨µ¼Ô±ËÍÍâÂô£¬µÚ¶þÌìÈ«°à¶¼³ÁĬÁË +3 ¾¨ÓãÈÚ½ð_Õã½­_É 2026-08-22 3/150 2026-08-26 09:01 by zzuzxg
[»ù½ðÉêÇë] ¹úºÏÏÖÔڲ鲻µ½ÁËÂ𣿠+10 chengyan1220 2026-08-24 20/1000 2026-08-26 08:57 by peasantsprig
[»ù½ðÉêÇë] Èç¹û´Ë¿ÌÄãÕýÔÚΪ¹ú»ù¸Ðµ½½¹ÂÇ£¬²»·ÁÀ´ÌýÌýÕâÊס¶»ù½ðÖ®Íâ¡· +8 scalable 2026-08-24 8/400 2026-08-25 12:52 by jnhyjjm
[»ù½ðÉêÇë] ÎÒÃæÉÏÍêµ°ÁË +13 ÇÒÌý»¢Ð¥ 2026-08-20 14/700 2026-08-25 09:10 by mrkang
[»ù½ðÉêÇë] ½¨Òé»ù½ð·¢²¼Ìáǰ¸ø³öÃ÷È·µÄʱ¼äµã +13 kulium 2026-08-21 16/800 2026-08-24 16:27 by superceng
[»ù½ðÉêÇë] ʱ¼ä´Á½ñÌ죬20ºÅ±äÁË +5 archvillain 2026-08-20 5/250 2026-08-22 06:12 by hui_daxiao
[»ù½ðÉêÇë] ¿´À´½ñÌì²»»á·Å°ñÁË£¿ +8 chengyan1220 2026-08-21 11/550 2026-08-21 17:52 by dcqxinyang
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û