Question

Each of the following represents a type of radiation. Identify Q in each of the symbols. c.

Answer 1

election charge = -1 In B-decay, neutron changes to a proton and an election. so atomic number increases. B - Particle decay example Answer: QC t-decay (Alpha decay) is a type of radioactive decay in which an atomic nucleus emits an alpha particle che). Eri 20706 - OH 4... 804g + 4e Answer: the

☺ positron emissioni - Position is a particle with same mass of electron but changes is positive. Position emission example: + X - Z- Answer: de ② Table of Isotopes. In AX where z = Atomic number = number of protons As mass number. number of protons (P) + number of neutrons(n) = mass number (A) = A = nup to Rhenium = Re Re atomic number = 75.

protons. Atomic number=75= number of Mass numbex = 186 = A A = m+P = JN = A-pl (n) number of neutrons = A-P Here A = 186, p=75 n = 186-75 = lll. n=111 .: Isotope symbol = 186 is he P = 39, n=51 Then A = n+P = 39+51 590. Atomic number = number of protons = 39, Mass number = 90. Atomic number 34 element = Y. YH rium- ao luttrium-qo] Isotope symbol = 90 397