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1) Structural isomers are considered molecules with the same A) number of electrons and protons but a different number of neutrons B) molecular formula but with a different overall charge C) kinds and number of atoms but a different arrangement of these atoms 2) Isotopes of carbon differ with respect to the number of. A) electrons B) neutrons C) protons 3) Element X has two naturally occurring isotopes. One has a mass of 78.918338 and an abundance of 50.69%. The other has a mass of 80.916291 and an abundance of 49.31%. What is the atomic mass of X ? A) 79.90 B) 75.36 C) 80.32

1) Structural isomers are considered molecules with the same A) number of electrons and protons but a different number of neutrons B) molecular formula but with a different overall charge C) kinds and number of atoms but a different arrangement of these atoms 2) Isotopes of carbon differ with respect to the number of. A) electrons B) neutrons C) protons 3) Element X has two naturally occurring isotopes. One has a mass of 78.918338 and an abundance of 50.69%. The other has a mass of 80.916291 and an abundance of 49.31%. What is the atomic mass of X ? A) 79.90 B) 75.36 C) 80.32

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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list at least three tests that can be utilized to test the health of the cardiovascular system, one of which must involve calculating cardiac output. Describe how the tests are performed, what information we can gain from the tests and any limitations to the tests.
1) Structural isomers are considered molecules with the same A) number of electrons and protons but a different number of neutrons B) molecular formula but with a different overall charge C) kinds and number of atoms but a different arrangement of these atoms 2) Isotopes of carbon differ with respect to the number of. A) electrons B) neutrons C) protons 3) Element X has two naturally occurring isotopes. One has a mass of 78.918338 and an abundance of 50.69%. The other has a mass of 80.916291 and an abundance of 49.31%. What is the atomic mass of X ? A) 79.90 B) 75.36 C) 80.32 4) Where would you expect to find a stored bottle of H,SO, in the laboratory? A) in the storage cabinet labeled bases B) in the storage cabinet labeled acids C) in the storage cabinet labeled solvents 5) Which of the following gases exists as a diatomic molecule? A) krypton C) hydrogen B) argon 6) Which statement is correct about chlorine-35 and chorine-37 ? A) They have a different number of protons and electrons, but the same number of neutrons. B) They have the same number of protons and electrons, but a different number of neutrons. C) They have the same number of protons, but a different number of electrons and neutrons 7) Using the periodic table, what is the atomic number of argon? A) 18 C) 13 B) 39.95 8) What kind of formular is C,H,0, consider as? A) Empirical formula B) Moleculr formula C) Confensed formua 9) Who provided evidence for the existence of a nucleus in an atom? A) John Dalton B) J.J. Thomson C) Ernest Rutherford
Transcribed Image Text:1) Structural isomers are considered molecules with the same A) number of electrons and protons but a different number of neutrons B) molecular formula but with a different overall charge C) kinds and number of atoms but a different arrangement of these atoms 2) Isotopes of carbon differ with respect to the number of. A) electrons B) neutrons C) protons 3) Element X has two naturally occurring isotopes. One has a mass of 78.918338 and an abundance of 50.69%. The other has a mass of 80.916291 and an abundance of 49.31%. What is the atomic mass of X ? A) 79.90 B) 75.36 C) 80.32 4) Where would you expect to find a stored bottle of H,SO, in the laboratory? A) in the storage cabinet labeled bases B) in the storage cabinet labeled acids C) in the storage cabinet labeled solvents 5) Which of the following gases exists as a diatomic molecule? A) krypton C) hydrogen B) argon 6) Which statement is correct about chlorine-35 and chorine-37 ? A) They have a different number of protons and electrons, but the same number of neutrons. B) They have the same number of protons and electrons, but a different number of neutrons. C) They have the same number of protons, but a different number of electrons and neutrons 7) Using the periodic table, what is the atomic number of argon? A) 18 C) 13 B) 39.95 8) What kind of formular is C,H,0, consider as? A) Empirical formula B) Moleculr formula C) Confensed formua 9) Who provided evidence for the existence of a nucleus in an atom? A) John Dalton B) J.J. Thomson C) Ernest Rutherford
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