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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 X is in group 2 of the periodic table What will be the formula of its chloride?
The element X forms a compound X2Y. Suggest an element that Y might be and give reasons for your choice.
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(a) In which groups of the periodic table would you expect to find these elements?
(b) what type of bond is formed between A and B?
(c) Suggest a formula of the compound formed between A and B.
An element A from group 14 of the periodic table combines with an element B from group 16.
(i) What type of chemical bond is formed?
(ii) Give the formula of the compound formed.
The elements Li, Na and K, each having one valence electron, are in period 2, 3 and 4 respectively of modern periodic table.
(i) In which group of the periodic table should they be ?
(ii) Which one of them is least reactive ?
(iii) Which one of them has the largest atomic radius ? Give reason in justify your answer in each case.
Among the given species A–, A+, and A, the smallest one in size is ______.
The elements A, B, and C belong to groups 1, 14, and 17 respectively of the Periodic Table. Which two elements will form ionic compounds?
An element X from group 2 of the Periodic Table reacts with Y from group 17 to form a compound. Give the formula of the compound.
Name the neutral atom in the Periodic Table which has the same number of electrons as K+ and Cl-.
In which group are inert elements placed?
