D1. One atom has 20 protons and a mass number of 44. Another atom has 20 protons and a mass number of 40. (a) What is the similarity and dissimilarity in these atoms? (b) The atom combines with phosphate ion. Write the chemical forfnula and chemical name of the compound. (e) What is the valency and oxidation number of an atom in the elemental form?

D1. One atom has 20 protons and a mass number of 44. Another atom has 20 protons and a mass number of 40. (a) What is the similarity and dissimilarity in these atoms? (b) The atom combines with phosphate ion. Write the chemical forfnula and chemical name of the compound. (e) What is the valency and oxidation number of an atom in the elemental form?

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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Concept explainers

Group 14 Elements

The following elements come under group 14 of the periodic table.

Question

D1. One atom has 20 protons and a mass number of 44. Another atom has 20 protons and a mass number of 40.
(a) What is the similarity and dissimilarity in these atoms?
(b) The atom combines with phosphate ion. Write the chemical formula and chemical name of the compound.
(c) What is the valency and oxidation number of an atom in the elemental form?

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