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प्रश्न
How does Nature of oxides of elements change on going from left to right in a period of the periodic table?
Give examples in support of your answer.
उत्तर
On moving from left to right in a period of the periodic table, the basic nature of oxides decreases and their acidic nature increases. For example, taking the third period elements again, the oxides of sodium are highly basic whereas those of chlorine are highly acidic.
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संबंधित प्रश्न
How many groups and periods are there in the modern periodic table?
From the following elements :
4Be; 9F; 19K; 20Ca
(i) Select the element having one electron is the outermost shell.
(ii) two elements of the same group.
Write the formula of and mention the nature of the compound formed by the union of 19K and element X(2, 8, 7).
Write any one difference in the electronic configurations of group-1 and group-2 elements ?
Why does the size of the atoms progressively become smaller when we move from sodium (Na) to chlorine (Cl) in the third period of the periodic table?
The electronic configuration of the atom of an element X is 2, 8, 4. In modern periodic table, the element X is places in :
(a) 2nd group
(b) 4th group
(c) 14th group
(d) 8th group
An element X belong to 3rd periods and group II of the periodic table state:
name of the element,
Complete the following sentences
The similarities in the properties of a group of elements are because they have the same …………………
Write two reasons responsible for late discovery of noble gases ?
How many groups and periods are there in the modern periodic table?
Copy and complete the following sentence choosing the correct word or words from those given below, at the end of the sentence:
The similarities in the properties of elements belonging to a group are because they have the same ______
