“Chemistry Experiments” is a guide for students and teachers who look for various experiments in chemistry. I will be mainly focusing on chemical, fertilizers, water, effluent, latex, dry rubber testing in my latest blog. I hope these experiments will definitely help students & teachers. Please mail me if you all need any further assistance or help in any of these tests.
Sunday, August 15, 2010
Calcium
Calcium is an important alkaline earth metal.
Symbol : Ca
Atomic number :20
Electronic configuration :[Ar] 4s2
Uses
For human nutrition Ca is essential. The compounds of calcium are used in making bricks,cement,paint,paper,sugar etc. It is also needed for plant growth.
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