Chemistry, 15.01.2020 15:31, copperrock15
1. ernest rutherford discovery of radioactivity 2. james chadwick discovery of the electron 3. henri becquerel discovery of the neutron 4. j. j. thomson discovery of the atomic nucleus
Answers: 2
Chemistry, 22.06.2019 10:00, 2019reynolds
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
Answers: 1
1. ernest rutherford discovery of radioactivity 2. james chadwick discovery of the electron 3. henri...
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