List the names, charges and locations of the three kinds of particles that make up an atom
1 answer:
The atom contains three kinds of particles:
- <u>Electrons</u>: They are negative charged particles with charge of 1.6×
C and they spin around the nucleus in specific orbits
- <u>Protons</u>: They are positive charged particles with the same charge of the electrons (but in positive sign) and they are located inside the nucleus
- <u>Neutrons</u>: They are uncharged particles and they are located inside the nucleus with the protons
Then the atom contains positive particles and negative particles, it is electrically neutral.
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In order to solve this problem, we will first need to find the electric field at the origin without the 3rd charge
E1 = (9x10^9)(13.4x10^-9)/(9.4x10^-2)^2 = 13648.7 V/m towards the negative y-axis
E2 = (9x10^9)(4.23x10^-9)/(4.99x10^-2)^2 = 15289.1 V/m towards the positive x-axis
The red arrow shows the direction of which the electric field points.
To make the electric field at the origin 0, we must find a location where q3 = the magnitude of q1 and q2
Etotal = sqrt(E1+E2) = 20494.97 V/m
E3 = 20494.97 = (9x10^9)(14.23x10^-9)/(d)^2
d = 0.079 m = 7.9 cm
