How forces between particles in the atom account for : a) the distribution of charge within the atom b) the stability of the nucleus
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How forces between particles in the atom account for :
a) the distribution of charge within the atom
b) the stability of the nucleus
Step by step
Solved in 3 steps
- 1. There are 82 protons in a lead nucleus. Why doesn't the lead nucleus burst apart? a) Coulomb repulsive force doesn't act inside the nucleus b) gravity overpowers the Coulomb repulsive force inside the nucleus c) the negatively charged neutrons balance the positively charged protons d) protons lose their positive charge inside the nucleus d) None of the other responses are correctQ3: The table shows two isotopes of potassium and two isotopes of calcium. Type of emission Mass of neutral atom / u Number of electrons Number of protons Number of neutrons Total mass/u Mass defect/ u Binding energy / J Mass of the electron = 0.000549 u Mass of the proton = 1.007276 u Mass of the neutron = 1.008665 u TI ***** LEG 39K Stable 38.96371 SE nda 42K ß decay a) Use data about potassium-42 to explain the concept of mass defect. 3000 41.9624 19 19 23 42.34797 0.38557 5.76 x 10-11 De RAP 39 Ca ßt decay 38.9707 440 **** ****** D 42 Ca stable 41.95863How does a nucleus stay together despite the electrical repulsion between protons? Group of answer choices a. The negative electrons push the positive protons together b. electrical forces do not act inside a nucleus c. here are other forces in the nucleus that are stronger d. None of these
- QUESTION 20 In Rutherford's model of atom, the size of the nucleus is estimated to be O 10:5 m O 10-10m O 10-15m O 10-20mWhy do larger nuclei tend to be less stable? Group of answer choices a. Extra neutrons reduce the nuclear forces b. Coulomb forces decrease with increasing size c. Nuclear forces are very short-ranged d. None of theseAspect of the atom