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प्रश्न
Name two elements in Inert gas.
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उत्तर
Neon and Argon.
संबंधित प्रश्न
From the standpoint of atomic structure, what determines which element will be the first and which the last in a period the periodic table?
Name an alkali metal in period 3 and halogen in period 2.
From the standpoint of atomic structure, what determines which elements will be the first and which the last in a period of the periodic table?
The groups 1 and 2 constitute the _______ block.
The element with atomic number 14 is hard and forms acidic oxide and a covalent halide. To which of the following categories does the element belong?
The three elements A, B and C with similar properties have atomic masses X, Y and Z respectively. The mass of Y is approximately equal to the average mass of X and Z. What is such an arrangement of elements called as? Give one example of such a set of elements.
Noble gases are placed in the ______ group in the modern periodic table.
Explain the position of hydrogen in the periodic table.
What is the general name of the last elements of the Periodic Table?
A group of elements in the periodic table is given below (Boron is the first member of the group and Thallium is the last).
Boron, Aluminium, Gallium, Indium, Thallium
Answer the following question in relation to the above group of elements:
If the electronic configuration of aluminium is 2, 8, 3, how many electrons are there in the outer shell of thallium?
