2. Atoms & Elements
The Atom
8PRACTICE PROBLEM
A particle is projected between two electrically charged plates as shown below. A beta ray is also shown in comparison. Is the particle an electron?

A particle is projected between two electrically charged plates as shown below. A beta ray is also shown in comparison. Is the particle an electron?
ANSWERS OPTIONS
A
Yes, the particle is an electron.
B
No, the particle is not an electron.