Chemistry, 13.12.2019 17:31 meowmeowcow
Based on the data thomson collected in his experiments using cathode rays, the concept of atomic structure was modified.
which of the following statements about the atomic structure were validated by his cathode ray experiments?
a. particles of the cathode rays are fundamental to all matter.
b. in the atom, the particles of the cathode rays are embedded in a diffuse cloud of positive charge.
c. matter contains a negative charge and by inference positive charge.
d. there are subatomic size particles in an atom.
e. cathode rays have mass.
Answers: 1
Chemistry, 22.06.2019 07:20
After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)
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Chemistry, 22.06.2019 10:30
Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?
Answers: 3
Based on the data thomson collected in his experiments using cathode rays, the concept of atomic str...
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