問一問

Author Message   迪 Username: 981001 Registered: 04-2003 Posted on Tuesday, April 22, 2003 - 12:17 pm:    1.有d乜屬於chemical property? 2.what is metallic bond?(知係知但咁點答)   唔駛做魚la^^"~Michael Username: 981087 Registered: 04-2003 Posted on Tuesday, April 22, 2003 - 11:00 pm:    For I, chemical property belongs the reaction that the substances take place, acidic/alkaline, oxidizing/reducing physical means mass, proton no., neutron no.... colour,   迪 Username: 981001 Registered: 04-2003 Posted on Tuesday, April 22, 2003 - 11:04 pm:    boiling point and melting point 係physical or chemical property also 係唔係唔同element多數唔同physical property no matter in same group or period   唔駛做魚la^^"~Michael Username: 981087 Registered: 04-2003 Posted on Tuesday, April 22, 2003 - 11:05 pm:    boiling and melting is physical yes different element have different physical property same element 有時都會, e.g. isotope   迪 Username: 981001 Registered: 04-2003 Posted on Tuesday, April 22, 2003 - 11:14 pm:    咁outermost cell e- 呢 physical?   唔駛做魚la^^"~Michael Username: 981087 Registered: 04-2003 Posted on Tuesday, April 22, 2003 - 11:38 pm:    呢個好灰色... 我就覺得係chemical   迪 Username: 981001 Registered: 04-2003 Posted on Tuesday, April 22, 2003 - 11:51 pm:    in metallic bonding metal tends to lose e- to become more stable . the local e- become free e-. thus between metal ion and free e- exist a strong elcertrostatic force. 幫我執執佢唔該曬   Chio U Kim Username: cuk Registered: 04-2003 Posted on Tuesday, April 22, 2003 - 11:58 pm:    Refer to Chem 2000 book 1A p.xvi for the general definitions and common examples of physical properties and chemical properties.