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प्रश्न
1H2 is an isotope of hydrogen. In the modern Periodic Table it will ______.
विकल्प
be placed before hydrogen
be placed after hydrogen
be placed at the same position as hydrogen
not have any position in the Periodic Table
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उत्तर
1H2 is an isotope of hydrogen. In the modern Periodic Table it will be placed at the same position as hydrogen.
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संबंधित प्रश्न
Why do all the elements of the same group have similar properties?
State modern periodic law.
The atomic particle whose number in the atoms of an element always remains the same and which forms the real basis for the modern classification of elements is:
(a) electron
(b) proton
(c) neutron
(d) meson
Name the scientist who stated the modern periodic law.
Name and state the following with reference to the elements of the first three periods of the periodic table.
A covalent compound formed by an element in period 2 and a halogen.
The horizontal rows in a periodic table are called _____.
Element ‘X’ forms a chloride with the formula XCl2, which is solid with a high melting point. X would most likely be in the same group of the periodic table as: ______
Where would you locate the element with electronic configuration 2,8 in the Modern Periodic Table?
An element X which is a yellow solid at room temperature shows catenation and allotropy. X forms two oxides which are also formed during the thermal decomposition of ferrous sulphate crystals and are the major air pollutants.
- Identify the element X
- Write the electronic configuration of X
- Write the balanced chemical equation for the thermal decomposition of ferrous sulphate crystals?
- What would be the nature (acidic/ basic) of oxides formed?
- Locate the position of the element in the Modern Periodic Table.
Group 16 elements are collectively called as ______.
