JEE Main 2021 (Online) 22th July Evening Shift | Periodic Table & Periodicity Question 61 | Chemistry

The first ionization energy of magnesium is smaller as compared to that of elements X and Y, but higher than that of Z. The elements X, Y and Z, respectively, are :

neon, sodium and chlorine

argon, chlorine and sodium

chlorine, lithium and sodium

argon, lithium and sodium

JEE Main 2021 (Online) 17th March Morning Shift

MCQ (Single Correct Answer)

-1

The absolute value of the electron gain enthalpy of halogens satisfies :

Cl > Br > F > I

Cl > F > Br > I

I > Br > Cl > F

F > Cl > Br > I

JEE Main 2021 (Online) 16th March Evening Shift

MCQ (Single Correct Answer)

-1

The characteristics of elements X, Y and Z with atomic numbers, respectively, 33, 53 and 83 are :

X and Y are metalloids and Z is a metal.

X and Z are non-metals and Y is a metalloid.

X is a metalloid, Y is a non-metal and Z is a metal.

X, Y and Z are metals.

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