The first (IE₁) and second (IE₂) ionization energies (kJ/mol... — Chemistry | Mockzy | Mockzy

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The first (IE₁) and second (IE₂) ionization energies (kJ/mol) of a few elements designated by Roman numerals are given below. Which of these would be an alkali metal ? IE₁ IE₂

A

I 2372 5251

B

II 520 7300

C

III 900 1760

D

IV 1680 3380

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