what is the difference between metallic and non metallic elements? which elements make univalent ions?
Asked by hemalatha | 6th Jan, 2014, 12:33: PM
Expert Answer:
Examples of univalent ions are : K+, Na+, F-,Cl-,Li+,Rb+,Cs+,Br-,I-
Metallic Elements
Non-metallic Elements
· Metals are generally hard solid and vapourize only at high temperature.
· Non-metals are generally soft and usually gases or liquids.
· Metals have a lusture called metallic lusture and can be polished.
· Non-metals lack luster.
· Their melting and boiling points are high (except alkali metals and Hg).
· Non-metals usually have low melting and boiling points.
· &n
Answered by Vaibhav Chavan
| 7th Jan, 2014,
09:28: AM
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|
Metallic Elements |
Non-metallic Elements |
|
· Metals are generally hard solid and vapourize only at high temperature. |
· Non-metals are generally soft and usually gases or liquids. |
|
· Metals have a lusture called metallic lusture and can be polished. |
· Non-metals lack luster. |
|
· Their melting and boiling points are high (except alkali metals and Hg). |
· Non-metals usually have low melting and boiling points. |
|
· &n
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