Valency
Valency
Valency:
The combining power (or capacity) of an element is called its valency. Valency can be used to find out how the atoms of an element will combine with the atom(s) of another element to form a chemical compound. The valency of an ion is equal to the charge on the ion.
The valency of an element is defined as its capacity to combine with other elements. It is measured by the number of hydrogen or chlorine atoms which combine with or are displaced by one atom of the element.
Which of the following are correct : (a) The valency of Hydrogen, Chlorine, Bromine, Iodine is 1 and there are known as monovalent. (b) The elements which has 4 valency are known as Tetravalent. | |||
| Right Option : C | |||
| View Explanation | |||
Which of the following are correct : (a) The valency of Oxygen, Sulphur and Calcium is 2. (b) Element having valencies 1, 2, 3 and 4 are said to be monovalent, divalent, trivalent and tetravalent respectively. | |||
| Right Option : C | |||
| View Explanation | |||
Fill in the blanks : (a) The valency of Hydrogen and Iodine is ____________. (b) The valency of Boron and Nitrogen is _____________. (c) The valency of Carbon and Sulphur is ____________. (d) The Valency of Calcium is __________. | |||
| Right Option : C | |||
| View Explanation | |||
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10thMy experience with Abhyas Academy has been very good. When I was not in Abhyas whenever teacher ask questions I could not speak it confidently but when I came in Abhyas, my speaking skills developed and now I am the first one to give the answer of teachers question.
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7thAbhyas institute is one of the best coaching institute in the vicinity of Ambala cantt.The institute provides good and quality education to the students.The teachers are well experienced and are very helpful in solving the problems. The major advantages of the institute is extra classes for weak...
Shreya Shrivastava
8thThird consective year,my ward is in Abhyas with nice experience of admin and transport support.Educational standard of the institute recumbent at satisfactory level. One thing would live to bring in notice that last year study books was distributed after half of the session was over,though study ...
Ayan Ghosh
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7thWhen I have not joined Abhyas Academy, my skills of solving maths problems were not clear. But, after joining it, my skills have been developed and my concepts of science and SST are very well. I also came to know about other subjects such as vedic maths and reasoning.
Sharandeep Singh
7thAbhyas institute is one of the best coaching institute in the vicinity of Ambala Cantt area. The teachers of the institute are well experienced and very helpful in solving the problems of the students.The good thing of the institute is that it is providing extra classes for the students who are w...
Aman Kumar Shrivastava
10thWe started with lot of hope that Abhyas will help in better understnding of complex topics of highers classes. we are not disappointed with the progress our child has made after attending Abhyas. Though need to mention that we expected a lot more. On a scale of 1-10, we would give may be 7.
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8thUsually we see institutes offering objective based learning which usually causes a lag behind in subjective examinations which is the pattern followed by schools. I think it is really a work of planning to make us students grab the advantages of modes of examination, Objective Subjective and Onli...
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Archit Segal
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Ayan Ghosh
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8thMy experience with Abhyas academy is very nice or it can be said wonderful. I have been studying here from seven class. I have been completing my journey of three years. I am tinking that I should join Abhyas Academy in tenth class as I am seeing much improvement in Maths and English
