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12. Which of the following definitions of formulas is correctly stated? A. An empirical formula is the smallest possible ratio of the atoms in a compound. B. A molecular formula indicates the arrangement of atoms chemically bonded together. C. Chemical formula is a way of expressing the molecule in a compound in symbols. D. A structural formula shows the atoms present in a compound and the number of atoms present in it.

12. Which of the following definitions of formulas is correctly stated? A. An empirical formula is the smallest possible ratio of the atoms in a compound. B. A molecular formula indicates the arrangement of atoms chemically bonded together. C. Chemical formula is a way of expressing the molecule in a compound in symbols. D. A structural formula shows the atoms present in a compound and the number of atoms present in it.

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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ANSWER NUMBER 12-15 ANSWER ONLY THEN AFTER THAT PLEASE ANSWER PART 2 ANSWER ONLY

 

12. Which of the following definitions of formulas is correctly stated? A. An empirical formula is the smallest possible ratio of the atoms in a compound. B. A molecular formula indicates the arrangement of atoms chemically bonded together. C. Chemical formula is a way of expressing the molecule in a compound in symbols. D. A structural formula shows the atoms present in a compound and the number of atoms present in it. 13. Which of the following is a diatomic molecule? A. ΝHS B. NO2 C.O. D. F2 14. Which of the following molecular formulas of the compounds is also its empirical formula? A. CeH10N4O2 B. CHeO C. H;C2O. D. None of the above 15. Which of the following statements is false when naming an ionic compound? A. If the cation has only one charge and the anion is polyatomic, name the metal and follow the name of the anion. B. If the cation has only one charge and the anion is monoatomic, name the metal and add the suffix -ide to the root of the name of the metal. C.If the cation has variable charges and the anion is polyatomic, name the metal, indicate the charge of the cation, and follow the name of the anion. D. If the cation has variable charges and the anion is monoatomic, name the metal, indicate the charge of the cation, and add the suffix -ide to the name of the nonmetal. II. Identify what separation technique can be performed to do the following. 1. turn water into gas 2. create pure water from salt water 3. separate sand from water 4. separate rocks from water by pouring the water out 5. change solid into gas 6. separate powdered chalk and water 7. determine the components of a pen's ink 8. settle down soil in water
Transcribed Image Text:12. Which of the following definitions of formulas is correctly stated? A. An empirical formula is the smallest possible ratio of the atoms in a compound. B. A molecular formula indicates the arrangement of atoms chemically bonded together. C. Chemical formula is a way of expressing the molecule in a compound in symbols. D. A structural formula shows the atoms present in a compound and the number of atoms present in it. 13. Which of the following is a diatomic molecule? A. ΝHS B. NO2 C.O. D. F2 14. Which of the following molecular formulas of the compounds is also its empirical formula? A. CeH10N4O2 B. CHeO C. H;C2O. D. None of the above 15. Which of the following statements is false when naming an ionic compound? A. If the cation has only one charge and the anion is polyatomic, name the metal and follow the name of the anion. B. If the cation has only one charge and the anion is monoatomic, name the metal and add the suffix -ide to the root of the name of the metal. C.If the cation has variable charges and the anion is polyatomic, name the metal, indicate the charge of the cation, and follow the name of the anion. D. If the cation has variable charges and the anion is monoatomic, name the metal, indicate the charge of the cation, and add the suffix -ide to the name of the nonmetal. II. Identify what separation technique can be performed to do the following. 1. turn water into gas 2. create pure water from salt water 3. separate sand from water 4. separate rocks from water by pouring the water out 5. change solid into gas 6. separate powdered chalk and water 7. determine the components of a pen's ink 8. settle down soil in water
9. take away the sugar from a sugar solution 10. separate sulfide from water and sugar solution
Transcribed Image Text:9. take away the sugar from a sugar solution 10. separate sulfide from water and sugar solution
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