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An unknown compound E20, is 30.45% by mass of E. E is a nonmetal. Which of the following statements about E204 are TRUE? I. E204 is a covalent compound II. Any sample of E2O, has the same percent composition by mass III. When the element E reacts with a metal it gains electrons IV. Element E is nitrogen Select one: O a. I and III O b. I and Il O c. II O d. IV O e. All the statements are TRUE

An unknown compound E20, is 30.45% by mass of E. E is a nonmetal. Which of the following statements about E204 are TRUE? I. E204 is a covalent compound II. Any sample of E2O, has the same percent composition by mass III. When the element E reacts with a metal it gains electrons IV. Element E is nitrogen Select one: O a. I and III O b. I and Il O c. II O d. IV O e. All the statements are TRUE

Chemistry
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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An unknown compound E20, is 30.45% by mass of E. E is a nonmetal. Which of the following statements about E204 are TRUE? I. E204 is a covalent compound II. Any sample of E2O, has the same percent composition by mass III. When the element E reacts with a metal it gains electrons IV. Element E is nitrogen Select one: O a. I and III O b. I and Il O c. II O d. IV O e. All the statements are TRUE
Transcribed Image Text:An unknown compound E20, is 30.45% by mass of E. E is a nonmetal. Which of the following statements about E204 are TRUE? I. E204 is a covalent compound II. Any sample of E2O, has the same percent composition by mass III. When the element E reacts with a metal it gains electrons IV. Element E is nitrogen Select one: O a. I and III O b. I and Il O c. II O d. IV O e. All the statements are TRUE
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