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Friday, 9 October

JEE Main 2026 · ChemistryMultiple choiceSingle correctEasyMulti-step

JEE Main 4 April 2026, Shift 1, Chemistry Q58

Question 58 of 75 in this shift, Chemistry question 8 of 25, Section A.

A monoatomic anion (A−\mathrm{A^-}) has 4545 neutrons and 3636 electrons. Atomic mass, group in the periodic table and physical state at room temperature of the element (A) respectively are
  1. (1)80, 17, liquid80,\ 17,\ \text{liquid}Official answer
  2. (2)81, 16, solid81,\ 16,\ \text{solid}
  3. (3)80, 16, gas80,\ 16,\ \text{gas}
  4. (4)81, 15, gas81,\ 15,\ \text{gas}

Official answer

Option 1

NTA final key.

Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.