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प्रश्न
Correct the statement.
Transition elements are placed at extreme right of the periodic table.
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उत्तर
Inert gases are placed at the extreme right of the periodic table.
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संबंधित प्रश्न
Consider the following elements:
Na, Ca, Al, K, Mg, Li
Which of these elements belong to the same period of the periodic table?
How does the chemical reactivity of the halogens vary on going in group 17 of the periodic table?
The electronic configuration of an element T is 2, 8, 8, 1.
What is the period number of T?
Give the symbol and valency of the following element and radical.
Sulphur [Sulphide]
Name the following:
The group of the Modern Periodic Table to which calcium [Ca2+] belongs.
The d-block elements are called as _______ elements.
The modern periodic table shows the molecular masses of the elements in each frame.
Explain structure of modern periodic table in short.
- Write the electronic configuration of element X, given by its symbol as under: \[\ce{^40_20 X}\]
- Determine its position in the modem periodic table.
- What is the nature of its oxide?
- Name one other element of its group.
An element ‘M' has 50% of the electrons filled in the 3rd shell as in the 2nd shell. The atomic number of ‘M’ is ______.
