Which of the following terms or phrases describe the GOLD FOIL experiment? JJ Thomson Rutherford gravity charged plates discovered the nucleus discovered the electron determined electron mass and charge Millikan alpha particle stream deflected particles

Identify the element represented by each nucleus A through E as a metal, a nonmetal, or a metalloid. In the drawings, red spheres denote protons and gray spheres denote neutrons. Proton Neutron Drag the appropriate items to their respective bins. Metal BIBO 103 W2A1....docx C A 5,316 B 11 333 A Nonmetal InstallScreenRe....dmg 000 C Metalloid tv N MacBook Air F7 Reset A Help O F8 P W F9 F10

Mass Symbol Neutrons Protons Electrons Charg Number 7"Ga2+ b) Using the information provided below for the three isotopes, determine the missing information. Mass lement Neutrons Protons Electrons Charge Number 24 22 -1 3 7. 50 74

Which statement below best explains why Ernest Rutherford was expecting the alpha particles to pass through the gold foil undeflected? Rutherford expected the particles to bounce off of the electrons in the foil O Rutherford expected the gold atoms to not be densely packed together Rutherford didn't know there was a nucleus in the gold atom that the particles could bounce off of gold is very malleable

complete the table

Complete the table below (omit the subscript and superscript numbers for the Atomic Symbol): Name Atomic Symbol # protons Argon Iodine Cadmium 116 48 Cd Mass # 131 15 #neutrons 20 16 # electrons

Which of the following experiments helped to support Dalton’s atomic theory? A)Thomson’s cathode ray experiment B)Rutherford’s gold foil experiment C)Milliken’s oil-drop experiment D)All of these E)None of these