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प्रश्न
Fill in the blank:
The element lithium in the Modern Periodic Table with valency 1+ belongs to the group ______.
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उत्तर
The element lithium in the Modern Periodic Table with valency 1+ belongs to the group 1.
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संबंधित प्रश्न
What is periodicity in properties of elements with reference to the Modern Periodic Table?
How does the tendency of elements to gain electrons change as we move from left to right in a period? State the reason of this change.
Which of the following are the correct characteristics of isotopes of an element?
(i) same atomic mass
(ii) same atomic number
(iii) same physical properties
(iv) same chemical properties
(a) (i), (ii) and (iv)
(b) (ii), (iii) and (iv)
(c) (ii) and (iii)
(d) (ii) and (iv)
Name an element of group 18 which can form compounds.
Two elements P and Q belong to the same period of the modern periodic table and are in group 1 and group 2, respectively. Compare the following characteristics in the tabular form.
- Number of electrons in their atoms
- Their tendency to lose electrons
- Their metallic characters
- Formation of their oxides
- Formulae of their chlorides
Give the symbol and valency of the following element and radical.
Sodium
State the number of elements in Period 2 of the Periodic Table.
Find the odd one out and give its explanation.
Where would you locate the element with electronic configuration 2,8 in the Modern Periodic Table?
Group 16 elements are collectively called as ______.
