4. Practice: Click Reset, turn off Show equation, and select Polonium. Write an equation for the alpha decay of polonium, and then use the Gizmo to check your answer. 212 Po 34 + What isotope remains after the alpha decay of polonium-212? 5. Practice: Click Reset turn off Show equation and select Radium. decay of radium, and then use the Gizmo to check your answer. Write an equation for the alpha 220 Ra 81 + What dangerous gas is produced by the decay of radium-226? 6. Pia Americuum-241 is a radioactive isotope used in smoke detectors. Write an equation for the alpha decay of Americium-241 below "Amt + 7 ay in each equation to the mass number on the left side of the arrow related to the sum of mass numbers on the right side of the now is the true for atomic numbers? -dit View Insert Fotos Al M X A, 7 1001 - Arial Normal text + BYVAC 2 HUAW SIF the mass number and atomic number of the daughter product W+ 178 Turn on Show equation and click Play to check. Modify your equation it necessary. What isotope is produced when fungster-179 absorbs an electron? 8. Practice: Turn off Show equation. Fill in the electron capture equations for gold-195 and neodymium-141 in the spaces below. Use the Gizmo to check your answers. 1 Nd+ 1. Au + 79 9. Think and discuss What do electron Capture and positron emission have in common