a. Write the atomic symbol, in the form X, for an isotope with an atomic number of 19 which has 20 neutrons. (Express your answer as an isotope.) b. Write the atomic symbol, in the form 4X, for an isotope that has 5 protons and 5 neutrons. (Express your answer as an isotope.)

a. Write the atomic symbol, in the form X, for an isotope with an atomic number of 19 which has 20 neutrons. (Express your answer as an isotope.) b. Write the atomic symbol, in the form 4X, for an isotope that has 5 protons and 5 neutrons. (Express your answer as an isotope.)

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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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.

Question

a. Write the atomic symbol, in the form X, for an isotope with an atomic number of 19 which has 20 neutrons.
(Express your answer as an isotope.)
b. Write the atomic symbol, in the form X, for an isotope that has 5 protons and 5 neutrons.
(Express your answer as an isotope.)

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