[References)A monatomic ion has a charge of +2. The nucleus of the ion has a mass number of 65. The number of neutrons in the nucleus is 1.17 times that of the number ofprotons.How many electrons are in the ion?electronsWhat is the name of the element?

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Answered: A monatomic ion has a charge of +2. The…

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter2: Atoms, Molecules, And Ions

Section: Chapter Questions

Problem 2.128QE

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Xenon An isotope of xenon has an atomic number of 54 and contains 77 neutrons. What is the xenon isotope’s mass number?
Which of the following are isotopes of element X, the atomic number for which is 9: 919X, 920X, 189X, and 921X?
Titanium and thallium have symbols that are easily confused with each other. Give the symbol, atomic number, atomic weight, and group and period number of each element. Are they metals, metalloids, or nonmetals?
How is an atom’s atomic number related to its number ofprotons? To its number of electrons?
What are the different kinds of particles in the atoms nucleus? Compare their properties with each other and with those of an electron.
How would you expect the chemical properties of isotopes of the same element to compare to each other? Explain your answer.
Which of the following is(are) correct? a.40Ca2+ contains 20 protons and 18 electrons. b. Rutherford created the cathode-ray tube and was the founder of the charge-to-mass ratio of an electron. c. An electron is heavier than a proton. d. The nucleus contains protons, neutrons, and electrons.
2.46 Why are nonmetals important even though they account for only a very small fraction of the elements in the periodic table?
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A single molecule has a mass of 7.31 1023 g. Provide an example of a real molecule that can have this mass. Assume the elements that make up the molecule are made of light isotopes where the number of protons equals the number of neutrons in the nucleus of each element.

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A monatomic ion has a charge of +2. The nucleus of the ion has a mass number of 65. The number of neutrons in the nucleus is 1.17 times that of the number of protons. How many electrons are in the ion? electrons What is the name of the element?