What are the trend in properties of elements while crossing the periodic table from left to right?

asked Jan 21, 2014 in Periodic Table by amrutha (157 points)
retagged Jan 31, 2014 by amrutha

1 Answer

answered Jan 21, 2014 by Bharani (222 points)
edited Jan 21, 2014 by Bharani
The trend in properties of periodic table while crossing from top to bottom in groups as follows:
1. The atomic number of elements increases by one unit.
2. The atomic weight is increases.
3. The atomic size and volumes decreases.
4. Electro positively is decreases and electro negativity is increases.
5. Metallic character decreases and non-metallic character increases.
6. The ionization potential increases.
7. The electron affinity of elements increases.
8. The melting points and boiling points of elements decreases.
9. The elements of a period all contain same number of energy levels.
 
 
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