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Ionization enthalpy the energy required to remove an electron from an isolated gaseous atom in its ground state. Ionization enthalpies generally increase across a period and decrease down a group. Also, in the modern periodic table, on moving from left to right across a period, the atomic size of elements decreases and the effective nuclear charge increases. Thus, the force of attraction between the nucleus and added electron increases. Hence, electron gain enthalpy becomes more negative while moving right across a period. The ionic radii of elements exhibit the same trend as the atomic radii. Hence it also decreases pn moving from left to right.
The point on the supply curve at which a firm earns only normal profit is called the ________.
Which of the following is an example of a living fossil tree?
Moplahs, or Muslim peasants, created a powerful anti-zamindar movement in:
IBRD global development cooperative owned by 189 member countries, is Headquartered in which city?
Which of the following is not an example of Point Source of pollution?
The longest river of peninsular India is_______.
Consider the following statements:
1.HDI is a composite index that accounts for life expectancy at birth, mean years of schooling, expected years...
The Amount allocated to Atma Nirbhar Horticulture Clean Plant Program is Rs. ________?
When was the High Court and Supreme Court Judges (Salaries and Conditions of Service) Amendment Bill, 2021 introduced in Lok Sabha?
On 17th March 2020, Ministry of Science & Technology said that the Scientists from the Institute of Nano Science and Technology (INST) had developed a ...