![]() ![]() is 80.ĥ) The correct electronic configuration of potassium isĪns:c) 2,8,8,1 Because, the atomic no. but different mass no.ģ) The term nucleons refer to a) Protons and electronsĪns: d) Protons and neutrons Because, in the nucleus positively charged protons and neutral neutrons are present.Ĥ) The number of protons, neutrons and electrons present respectively in Br areĪns: d) 35, 45, 35 Because, the atomic no. Because, isotopes are the elements having same atomic no. ![]() ![]() Choose the correct answer.Īns: b) Ar, N Because, Ar is Nobel gas and N is non-metal.Ģ) Change in the number of neutrons in an atom changes it toĪns: b) An isotope. Samacheer Kalvi 9th Science Solutions Chapter 11 PdfĬhapter 11 Atomic Structure Exercise: I. ![]()
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