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1.
The elements of a group in the periodic tabic
2.
Which element forms the highest number of compounds in the periodic table?
3.
Which one of the following is not a periodic property i.e., does not show any trend on moving from one side to the other in the periodic table?
4.
Which one of the following elements is a metalloid?
5.
What is the correct increasing order of electronegativity for the most common oxidation states among the following elements?
6.
The octet rule is not valid for which one of the following molecules?
7.
The rusting of iron nail
8.
Which one of the following when dissolved in H2O gives hissing sound?
9.
What are the types of bonds present inCuSO4.5H2O?
10.
As compared to covalent compounds, electro valent compounds, generally have