Lowest IP will be shown by the element having the configuration:

Chemistry · JEE Main · NTA Exams — Classification of Elements and Periodicity in Properties

1. [He] 2s²
2. [He] 2s² 2p²
3. [He] 2s² 2p⁵
4. 1s²

Answer

(B) [He] 2s 2 2p 2

Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.

Related practice questions

• Which of the following represents the correct order of increasing first ionization enthalpy for Ca, Ba, S, Se…
• The first ionization enthalpy of Na, Mg and Si, respectively, are: 496, 737 and 786 kJ mol –1 . The first…
• The electronegativity of Cl, F, O, S increases in the order of
• The value of electron affinity for noble gases is likely to be
• Given below are two statements: Statement I: The 4f and 5f - series of elements are placed separately in the…
• Amongst the following elements (whose electronic configurations are given in options), the one having the…
• Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason R…
• The electronic configuration of an element is 1s 2 , 2s 2 2p 6 , 3s 2 3p 3 . What is the atomic number of the…

More Classification of Elements and Periodicity in Properties questions · Browse all practice questions