26. In a radioactive decay, the Z of the parent nucleus decreases by one unit, therefore, the process is * A alpha decay B. beta decay C. K-capture D. gamma decay 27. Electron capture causes * A. an increase in Z B. decreaso in Z C. no change in Z D. an increase
choose the correct answer.
26. In a radioactive decay, the Z of the parent nucleus decreases by one unit, therefore, the process is *
A alpha decay
B. beta decay
C. K-capture
D. gamma decay
27. Electron capture causes *
A. an increase in Z
B. decreaso in Z
C. no change in Z
D. an increase in A
28. The radioactive isotope of hydrogen is *
A. deuterium
B. protium
C. tritium
D. none of these
29. He proposed a model of the atom that was a forerunner of the current atomic model *
A. Neils Bohr
B. John Dalton
C. Max Planck
D. J.J. Thomson
30. The filling of lower energy orbitals before the higher energy orbitals. *
A. Aufbau Principle
B. Pauli's Exclusion Principle
C. Uncertainty Principle
D. Rule Of Maximum Multiplicity
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