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NEET - Chemistry Chapter 6

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Chapter 6Atomic Structure

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01Chemistry

Atomic Structure Q01: Which statement about concept 1 is correct?

AIsotopes have the same atomic number but different mass numbers.

BIt is defined as complete loss of all protons from an atom.

CIt requires conversion of every substance into a noble gas.

DIt is independent of composition, structure, concentration and temperature in every case.

02Chemistry

Atomic Structure Q02: A student is revising concept 1. Which correction is chemically sound?

AIt occurs only by peptide bond formation in proteins.

BIt is explained solely by colour change without particles or bonds.

CIt always has zero relation to electrons, ions or molecular structure.

DIsotopes have the same atomic number but different mass numbers.

03Chemistry

Atomic Structure Q03: In a standard exam item involving concept 1, which inference is valid?

AIt means all reactions become spontaneous without conditions.

BIt is a nuclear fission rule rather than a chemistry principle.

CIsotopes have the same atomic number but different mass numbers.

DIt is valid only at absolute zero for pure noble gases.

04Chemistry

Atomic Structure Q04: Which conclusion about concept 1 is valid and unambiguous?

AIt requires every molecule to be linear and nonpolar.

BIsotopes have the same atomic number but different mass numbers.

CIt always produces sodium chloride as the only product.

DIt is measured by atomic mass number alone in every problem.

05Chemistry

Atomic Structure Q05: Which statement about concept 1 remains true under usual IIT/NEET assumptions?

AIsotopes have the same atomic number but different mass numbers.

BIt is defined as complete loss of all protons from an atom.

CIt requires conversion of every substance into a noble gas.

DIt is independent of composition, structure, concentration and temperature in every case.

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