An element having the atomic number 17 will resemble whic...
An element having the atomic number 17 will resemble which of the following elements having atomic number as given below?
33
35
18
19
Correct answer is B
The Group 7 elements are called the halogens. They are placed in the vertical column, second from the right, in the periodic table .
Chlorine (17), bromine(35) and iodine(53) are the first three of the Group 7 elements.
1.1 g of CaCI2 dissolved in 50 cm3 of water caused a rise in temperature of 3.4°C. The heat of r...
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Which of the following contains co-ordinate covalent bond? ...
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