How many elements are present in the periodic table?
A total of 118 elements are present in the periodic table.
What is the meaning of ionisation enthalpy?
The enthalpy change associated with the removal of the original electron from an atom with a single gas in its ground surface is called as the first ionization enthalpy.
What are the d-block elements?
D block elements are the elements that can be found from the third group to the twelfth group of the modern periodic table. The valence electrons of these elements fall under the d orbital. D block elements are also referred to as transition elements or transition metals.
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