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1.
Which of the following is non-metal and to which group does it belong?
2.
Silicon(14) belongs to class of
3.
Chlorine (17) belongs to which group and period
4.
Which of the following is most reactive
5.
Which of the following is most reactive
6.
Which of the following set of elements is written in order of their increasing metallic character ?
7.
Which one of the following does not increase while moving down the group of the periodic table ?
8.
The element with atomic number 14 is hard and forms acidic oxide and a covalent halide. To which of the following categories does the element belong?
9.
Which of the following elements will form an acidic oxide ?
10.
WTiich of the following elements does not lose an electron easily ?