Isobars
Tuesday, January 26, 2010
<$BlogDateHeaderDate>
ISOBARS
Definition:
The atoms of different elements, which have the same mass number but different atomic number, are called isobars.
They have the same mass number because of the equal sum of the number of protons and neutrons. The difference in their atomic number is due to the difference in their number of protons.
Since isobars are different elements they appear in different places in the periodic table.
Example (1)
Example (2)
Characteristics of Isobars:
- The nuclei of these atoms have different number of protons and neutrons.
- All isobars have different number of valence electrons thus have different chemical properties.
- All isobars have same mass number thus have same physical properties
The light nuclei have unstable isobars. Heavy nuclei have stable isobars and these occur in pairs.
posted by Lekshmi @ 10:57 AM,
0 Comments:
Post a Comment