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प्रश्न
What property forms the basis of identification?
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उत्तर
Electronegativity
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संबंधित प्रश्न
An element Y is in second period and group 16 of the periodic table:
(i) Is it a metal or non-metal?
(ii) What is the number of valence electrons in its atom?
(iii) What is its valency?
(iv) What is the name of the element?
(v) What will be the formula of the compound formed by Y with sodium?
An element X from group 2 reacts with element Y from group 16 of the periodic table.
(a) What is the formula of the compound formed?
(b) What is the nature of bond in the compound formed?
The elements A, B and C belong to groups 1, 14, and 17 respectively of the periodic table.
(a) Which two elements will form a covalent compound?
(b) Which two elements will form an ionic compound?
Give a reason why elements need to be properly classified.
Why was this basis of classification discarded for future classification of elements?
Which of the following have inert gases 2 electrons in the outermost shell.
In which group are inert elements placed?
An element with the atomic number 40 is placed in the period.
Arrange the following elements in the order of their decreasing metallic character
Na, Si, Cl, Mg, Al
Complete the following triads by inserting the missing elements.
Cl, ______, I
