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प्रश्न
What property forms the basis of identification?
उत्तर
Electronegativity
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संबंधित प्रश्न
The element which forms a basis oxide has the atomic number of:
(a) 18
(b) 17
(c) 14
(d) 19
As element X has mass number 40 and contains 21 neutrons in its atom. To which group of the periodic table does it belong?
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.
What was the basis of the earliest attempts made for classification and grouping of elements?
What is the atomic number of elements of period 3 and group 17 of the Periodic Table?
Which of the following is a transition element?
Element ‘A’ has electronic configuration 2, 7; ‘B’ has electronic configuration 2, 8, 5 and ‘C’ has electronic configuration 2, 8, 7. Which two elements will exhibit similar chemical properties?
Relate the names of the following scientists with the statements given below.
Arranged elements in the increasing order of atomic mass.
Element 'X' forms an oxide with the formula X2O3 which is a solid with high melting point. ‘X’ would most likely be placed in the group of the Periodic Table as:
Justify. Element 'X' forms an oxide with the formula X2O3 which is a solid with a high melting point. ‘X’ would most likely be placed in the group of the Periodic Table as Al.
