Question

Chemistry Assignment
1. Write the reaction of Na, K, Ca, Li, Be, Mg, Mn, Al, Zn with oxygen and write the name of the compound
2. Using the same element given in question 1 write the reaction with hydrogen and write the name of the compound
3. List out the traids given by Dobereiner
4. What are the demerits of Dobereiner traid
5. Write the names and symbol of elements from 30 to 40​

Answer 1

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