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प्रश्न
The element with positive electron gain enthalpy is
विकल्प
Hydrogen
Sodium
Argon
Fluorine
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उत्तर
Argon
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संबंधित प्रश्न
Which of the following elements will have the highest electronegativity?
Which one of the following is the least electronegative element?
Which one of the following is true about metallic character when we move from left to right in a period and top to bottom in a group?
Is the definition given below for ionisation enthalpy is correct?
"Ionisation enthalpy is defined as the energy required to remove the most loosely bound electron from the valence shell of an atom"
Define electronegativity.
Energy of an electron in the ground state of the hydrogen atom is −2.18 × 10−18 J. Calculate the ionisation enthalpy of atomic hydrogen in terms of kJ mol−1.
In what period and group will an element with Z = 118 will be present?
Explain the Pauling method for the determination of ionic radius.
Explain the following, give an appropriate reason.
First ionisation potential of the C-atom is greater than that of the B atom, whereas the reverse is true is for the second ionisation potential.
State the trends in the variation of electronegativity in groups and periods.
