(1 mark)For questions 22 to 28, read each question carefully. Decide which of the choices BESTanswers the question. Place your answer in the blank space given.22. The isotope americium-241 (used in smoke detectors) undergoes alpha decay.Which of the following isotopes is a product of this decay?A. neptunium-237B. neptunium-245C. berkelium-247D. berkelium-245Answer:

In alpha decay, an isotope emits an alpha particle, which consists of 2 protons and 2 neutrons…

Answered: (1 mark) For questions 22 to 28, read…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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2. Select all of the answers that describe an unstable nucleus: (this is a multiple select question, select more than one answer). A. There are too many electrons relative to the number of protons. B. The nucleus will undergo radioactive decay. C. Alpha particles, beta particles, or gamma rays may be emitted. D. There are too many neutrons relative to the number of protons. E. The nucleus ts stabilized.
Which of the following consists of a stream of charged particles? a. alpha rays b. beta rays c. gamma rays d. more than one response is correct
About the alpha particle, it can be said that: I. It is identical to He. II it has a mass of 4. III It is a high energy electron. IV. It has a positive 1 charge. I ,II, and III. and IV
Which of the statements are true of nuclear reactions? a. The number and types of atoms are the same in the products and the reactants. b. Different isotopes of the same element behave similarly. c. New elements are often formed. d. Only the valence electrons are involved.
r Chemistry - Requires Respo in Ci: Attempt 1 About the alpha particle, it can be said that: I. It is identical to He. II. It has a mass of 4. II. It is a high energy electron. IV. It has a positive 1 charge. I, Il and III. I, Il and IV OI and II Ouoati
! ( give ans with explanation)
5. An atom of 41Ca is hit by an alpha particle that sticks to it. a. What is the atomic number of this new atom? b. What is the atomic mass of this new atom? c. What new element has been formed?
Which of the following atomic isotopes contains the fewest neutrons? Select one: a. 30Si b. 27Al c. 39K d. 32S e. 35Cl

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