Elements do emit radiation on their own and this property is known as _____(a) Radioactivity(b) Refraction(c) Absorption(d) AdsorptionI have been asked this question during an interview.Enquiry is from Atomic Models topic in portion Structure of Atom of Chemistry – Class 11

Elements do emit radiation on their own and this property is known as

1.	Elements do emit radiation on their own and this property is known as _____(a) Radioactivity(b) Refraction(c) Absorption(d) AdsorptionI have been asked this question during an interview.Enquiry is from Atomic Models topic in portion Structure of Atom of Chemistry – Class 11
Answer» Correct answer is (a) Radioactivity The best I can explain: HENRI Becquerel discovered that ELEMENTS emit radiation and termed this phenomenon as radioactivity. Later Curie on RESEARCH found out about α-rays, β-rays and γ-rays. Later RUTHERFORD concluded that α particles are helium nuclei.

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