physics

4. What is the electric potential at the surface of a gold atom’s nucleus, which is assumed to be spherical? The radius of a gold nucleus is 6.6 x 10-15 meters and the atomic number of gold is 79.

  1. 👍 0
  2. 👎 0
  3. 👁 831
  1. V=kq/r q= 79*(-e)/r where e is the charge on an electron.

    1. 👍 1
    2. 👎 0
    👨‍🏫
    bobpursley
  2. 1.72×10^-7

    1. 👍 0
    2. 👎 0
  3. V= kq/r ---------1.

    k= 9*(10^9)
    r= 6.6*(10^-15)m
    q= ne = 79* 1.6*(10^-19)C

    put these values in eq. 1.

    V= 172.36 * 10^5
    V= 1.7236 * 10^7 = (1.724 * 10^7)V

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Chemistry

    An electron jumps from energy level 1 to energy level 2 by absorbing a photon of energy 8 eV. What is the most likely energy of the photon that will be emitted by the electron when it moves back down to energy level 1? 2 ev 4 ev 8

  2. physics

    The electric potential at x = 3.0 m is 120 V, and the electric potential at x = 5.0 m is 190 V. What is the electric field in this region, assuming it's constant?

  3. Chemistry

    Carbon-12 contains 6 protons and 6 neutrons. The radius of the nucleus is approximately 2.7 (femtometers) and the radius of the atom is approximately 70 (picometers). The volume of the nucleus is 8.2×10^−8 pm^3 And the volume

  4. Science

    1. Which statement about subatomic particles is NOT true? (1 point) Protons and neutrons have almost the same mass. Protons and electrons have opposite charges. Unlike protons and electrons, neutrons have no charge. Protons and

  1. physics

    explain the relationship between contours of constant potential and the electric field direction. why is the electric field a vector quantity while the electric potential is a scalar?

  2. science

    HELP ME !!!!!!! What is the atomic number of an atom?(1 point) the number of particles in the nucleus the number of protons the number of neutrons the number of particles outside the nucleus Which statement about an atom is

  3. Chemistry

    Which statement concerning the electrons surrounding the nucleus of an atom is NOT correct? a) When 2 electrons pair together, they have opposite spins. b) The number of the electrons in an isolated neural atom is equal to the

  4. science

    Does anybody know any real life example of a nucleus Are you speaking of nucleus as in the nucleus of an atom or the nucleus of a living organism? If the former, the nuclear atom bomb or H bomb or the decay of radioactive

  1. Science

    What is the atomic number of an atom?(1 point) A. the number of particles outside the nucleus B. the number of particles in the nucleus C. the number of neutrons D. the number of protons Which statement about an atom is correct?(1

  2. Chemistry

    Which of the following statements is not consistent with the results obtained in Rutherford’s gold foil experiment? A. The nucleus of an atom is positively charged. B. The nucleus of an atom contains almost all the mass of the

  3. Chemistry

    An atom of gold has a mass of 3.271 times 10^-22g. How many atoms of gold are in 5.00g of gold?

  4. physics

    In Rutherford's famous scattering experiments that led to the planetary model of the atom, alpha particles (having charges of +2e and masses of 6.64 10-27 kg) were fired toward a gold nucleus with charge +79e. An alpha particle,

You can view more similar questions or ask a new question.