How did Rutherford observe alpha particles in his experiment? In the modern version of Rutherford’s experiment, which is shown in the video, how are alpha particles observed? Which way do you think is more accurate

Strong evidence for the atomic nucleus was generated from which experiment or set of experiments? O Rutherford scattering experiments O Millikan's oil drop experiment O Thomson's cathode ray experiment O Cavendish balance experiment

Astatine-220 releases an alpha particle.  What element results, and what is its mass number?

Week 1 Assignment Part 2 - PHSO V01 1. Match the parts of an atom in the left column with all the phrases in the right column that describes it. A phrase may be used more than once. On the line in the left column next to the parts of the atom, please just label the letter of the phrase that matches the parts of the atom. 1. electron 2. neutron This assignment is due on 8/23 at 11:59pm PST. Please submit as a scanned PDF on Canvas. 3. proton A) one has atomic mass B) found in the nucleus C) negatively charged D) changing the number of these in an atom creates a new element E) adding or losing these makes an atom into an ion F) gain or loss of these makes an isotope of the same element G) determine(s) an element's atomic number H) contribute(s) to an element's atomic mass