Classification of Elements and Periodicity in Properties: JEE Main 2026 Chemistry question

JEE Main 2026 · 4 Apr, Morning shift · Q58

JEE Main 20264 Apr, Morning shiftChemistryEasyClassification of Elements and Periodicity in Properties127× since 2002

A monoatomic anion

(\mathrm{A^-})

has 45 neutrons and 36 electrons. Atomic mass, group in the periodic table and physical state at room temperature of the element (A) respectively are

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JEE Main 2026 Classification of Elements and Periodicity in Properties Question with Solution (4 Apr Morning shift, Q58) | JEE Arc

JEE Main 2026 · 4 Apr, Morning shift · Q58

JEE Main 20264 Apr, Morning shiftChemistryEasyClassification of Elements and Periodicity in Properties127× since 2002

A monoatomic anion

(\mathrm{A^-})

has 45 neutrons and 36 electrons. Atomic mass, group in the periodic table and physical state at room temperature of the element (A) respectively are