Homework Answers
14. A. 92
15. D. Chlorous acid
16. E. Cesium
17. B. Selenium
18. A. Ammonium nitrate
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14. How many protons are there in an atom of uranium whose mass number is 235?...
can you please explain the answers 14. How many protons are there in an atom of...
can you please explain the answers
14. How many protons are there in an atom of uranium whose mass number is 235? A) 92 B) 143 C) 235 D) 238 E) 327 15. The chemical name for CIO, is chlorite ion. Therefore, the name of HCIO, is A) hydrochloric acid B) chloroform C) hydrogen dioxychloride D) chlorous acid E) chloric acid 16. Which of the following elements is chemically similar to potassium? A) calcium B) arsenic C) phosphorus D) cerium...
CHEM 1411. Review Exercises for Chapter 3, 7, 8. F19 1. Give the number of lone...
CHEM 1411. Review Exercises for Chapter 3, 7, 8. F19 1. Give the number of lone pairs around the central atom and the geometry of the ion CIO2 A) 0 lone pairs, linear 1 lone pair, bent B) C) 2 lone pairs, bent D) 3 lone pairs, bent E) 3 lone pairs, linear 2. Predict the geometry and polarity of the CS2 molecule. A) linear, polar B) linear, nonpolar C) tetrahedral, nonpolar D) bent, nonpolar E) bent, polar 3. Which...
23. An ion is formed a) By either adding or subtracting protons from the atom. b)...
23. An ion is formed a) By either adding or subtracting protons from the atom. b) By either adding or subtracting electrons from the atom. c) By either adding or subtracting neutrons from the atom. d) All of the above are truc. e) Two of the above are true. 24. The symbol for the rubidium ion is a. Rb b. R c. R2 d. Ru Rb+1 Rb c. 25. Which of the following formulas is incorrect? a. AIO sb. KBr...
Problem Set 5 Formulas and Nomenclature Name Lab Section: I. Complete the following table by writing...
Problem Set 5 Formulas and Nomenclature Name Lab Section: I. Complete the following table by writing the ionic formula: II Write the name of each compound formed. S OH IN PO | HCO3 | S01 NHA III. Name the following ions: e) Fe a) S.O, b) so, f) Fel B) Cu h)CY IV: Formula to Name ZnH; Co[NO2) H,PO Cao CIO Cu(OH)2 HCIO BF3 AIN Ag2SO4 V: Name to Formula chlorous acid nitrogen monoxide chloric acid phosphorus trioxide silver carbonate...
86. What is the formula for lead (IV) sulfide? B) PbS A) PbS C) Pb S...
86. What is the formula for lead (IV) sulfide? B) PbS A) PbS C) Pb S D) Pb,S E) Pb,S 87. What is the name of H3PO4? A) hydrochloric acid C) sulfuric acid D) phosphoric acid E) none of these B) nitric acid 88. What is the name of Co,O,? A) dicobalt trioxide cobalt (II) oxide D) cobalt (III) oxide B) cobalt trioxide C) E) dicobalt (I) trioxide 89. What is the name of H2SO4 A) hydrosulfuric acid C) sulfuric...
18. Hypothetical element Z. has three naturally occurring isotopes, z , andz Calculate the atomic mass...
18. Hypothetical element Z. has three naturally occurring isotopes, z , andz Calculate the atomic mass of 7. Isotope 287 297 307 29.2252 amu 28.9757 amu 28.7260 amu Isotopic Mass (amu) 27.976927 Abundance % 92.23 4.67 3.10 D) 28.976495 29.973770 A) B) C) 28.0855 amu E) 27.9801 amu 19. An anion is defined as A) B) a charged atom or group of atoms with a net negative charge. a stable atom. a group of stable atoms. an atom or group...
35. The formula for the compound formed from the 4. NH(PO4h. b. NHPOA c. (NH4)2PO4 d....
35. The formula for the compound formed from the 4. NH(PO4h. b. NHPOA c. (NH4)2PO4 d. (NH4)2PO4h from the polyatomic ions NH. and PO, is The correct name for NiO is a. nickel(II)oxide b. nickel(l) oxide c. nickel oxide d. nickel monoxide e nickel(I) monoxide 37. The correct name for an aqueous solution of HBr is a. bromic acid b. hydrobromic acid c. hypobromic acid d. hydrobromous acid c. hypobromous acid 38. Which of the following is named correctly? a....
Make sure Do all.. I want all answers 1) An ionic bond is best described as...
Make sure Do all.. I want all answers
1) An ionic bond is best described as A) the sharing of electrons. B) the transfer of electrons from one atom to another. C) the attraction that holds the atoms together in a polyatomic ion. D) the attraction between two nonmetal atoms. E) the attraction between two metal atoms. 2) A covalent bond is best described as A) the sharing of electrons between atoms. B) the transfer of electrons. C) a bond...
Chemical Reactions For each reaction you observed, the names of the reactants and products are given...
Chemical Reactions For each reaction you observed, the names of the reactants and products are given below. You must: 1. Write the correct formula for each reactant and product. Balance each equation. 2. A. Combination reactions magnesium oxide 1. Magnesium + oxygen (unbalanced) Mg+ O, MgO sulfur dioxide 2. Sulfur + oxygen B. Analysis of the Copper Content of a Penny po zinc chloride + hydrogen zinc + hydrochloric acid HCI ZnCl, 1. (unbalanced) н, Zn + C. Single Replacement...
6. A 50.0 mL sample of 0.528 M NHaNO, is diluted with water to a total...
6. A 50.0 mL sample of 0.528 M NHaNO, is diluted with water to a total volume of 250.0 mL What is the ammonium nitrate concentration in the resulting solution? 7. 75.0 ml. of a 0.250M NaCI solution is added to 35.8 ml. of 0.1150M NaCOs. What is the concentration of sodium ion in the final solution? 8, 34.62 mL. of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H2SO4 solution. What is the concentration of the...
can you please explain the answers
14. How many protons are there in an atom of uranium whose mass number is 235? A) 92 B) 143 C) 235 D) 238 E) 327 15. The chemical name for CIO, is chlorite ion. Therefore, the name of HCIO, is A) hydrochloric acid B) chloroform C) hydrogen dioxychloride D) chlorous acid E) chloric acid 16. Which of the following elements is chemically similar to potassium? A) calcium B) arsenic C) phosphorus D) cerium...
CHEM 1411. Review Exercises for Chapter 3, 7, 8. F19 1. Give the number of lone pairs around the central atom and the geometry of the ion CIO2 A) 0 lone pairs, linear 1 lone pair, bent B) C) 2 lone pairs, bent D) 3 lone pairs, bent E) 3 lone pairs, linear 2. Predict the geometry and polarity of the CS2 molecule. A) linear, polar B) linear, nonpolar C) tetrahedral, nonpolar D) bent, nonpolar E) bent, polar 3. Which...
23. An ion is formed a) By either adding or subtracting protons from the atom. b) By either adding or subtracting electrons from the atom. c) By either adding or subtracting neutrons from the atom. d) All of the above are truc. e) Two of the above are true. 24. The symbol for the rubidium ion is a. Rb b. R c. R2 d. Ru Rb+1 Rb c. 25. Which of the following formulas is incorrect? a. AIO sb. KBr...
Problem Set 5 Formulas and Nomenclature Name Lab Section: I. Complete the following table by writing the ionic formula: II Write the name of each compound formed. S OH IN PO | HCO3 | S01 NHA III. Name the following ions: e) Fe a) S.O, b) so, f) Fel B) Cu h)CY IV: Formula to Name ZnH; Co[NO2) H,PO Cao CIO Cu(OH)2 HCIO BF3 AIN Ag2SO4 V: Name to Formula chlorous acid nitrogen monoxide chloric acid phosphorus trioxide silver carbonate...
86. What is the formula for lead (IV) sulfide? B) PbS A) PbS C) Pb S D) Pb,S E) Pb,S 87. What is the name of H3PO4? A) hydrochloric acid C) sulfuric acid D) phosphoric acid E) none of these B) nitric acid 88. What is the name of Co,O,? A) dicobalt trioxide cobalt (II) oxide D) cobalt (III) oxide B) cobalt trioxide C) E) dicobalt (I) trioxide 89. What is the name of H2SO4 A) hydrosulfuric acid C) sulfuric...
18. Hypothetical element Z. has three naturally occurring isotopes, z , andz Calculate the atomic mass of 7. Isotope 287 297 307 29.2252 amu 28.9757 amu 28.7260 amu Isotopic Mass (amu) 27.976927 Abundance % 92.23 4.67 3.10 D) 28.976495 29.973770 A) B) C) 28.0855 amu E) 27.9801 amu 19. An anion is defined as A) B) a charged atom or group of atoms with a net negative charge. a stable atom. a group of stable atoms. an atom or group...
35. The formula for the compound formed from the 4. NH(PO4h. b. NHPOA c. (NH4)2PO4 d. (NH4)2PO4h from the polyatomic ions NH. and PO, is The correct name for NiO is a. nickel(II)oxide b. nickel(l) oxide c. nickel oxide d. nickel monoxide e nickel(I) monoxide 37. The correct name for an aqueous solution of HBr is a. bromic acid b. hydrobromic acid c. hypobromic acid d. hydrobromous acid c. hypobromous acid 38. Which of the following is named correctly? a....
Make sure Do all.. I want all answers
1) An ionic bond is best described as A) the sharing of electrons. B) the transfer of electrons from one atom to another. C) the attraction that holds the atoms together in a polyatomic ion. D) the attraction between two nonmetal atoms. E) the attraction between two metal atoms. 2) A covalent bond is best described as A) the sharing of electrons between atoms. B) the transfer of electrons. C) a bond...
Chemical Reactions For each reaction you observed, the names of the reactants and products are given below. You must: 1. Write the correct formula for each reactant and product. Balance each equation. 2. A. Combination reactions magnesium oxide 1. Magnesium + oxygen (unbalanced) Mg+ O, MgO sulfur dioxide 2. Sulfur + oxygen B. Analysis of the Copper Content of a Penny po zinc chloride + hydrogen zinc + hydrochloric acid HCI ZnCl, 1. (unbalanced) н, Zn + C. Single Replacement...
6. A 50.0 mL sample of 0.528 M NHaNO, is diluted with water to a total volume of 250.0 mL What is the ammonium nitrate concentration in the resulting solution? 7. 75.0 ml. of a 0.250M NaCI solution is added to 35.8 ml. of 0.1150M NaCOs. What is the concentration of sodium ion in the final solution? 8, 34.62 mL. of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H2SO4 solution. What is the concentration of the...
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