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23. An ion is formed a) By either adding or subtracting protons from the atom. b)...
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....
19) How many of each type of atom are there in the formula Ca3(PO4)2? A) Ca...
19) How many of each type of atom are there in the formula Ca3(PO4)2? A) Ca = 3, P = 1,0 = 4 B) Ca 3, P = 2, O = 4 C) Ca = 3, P = 2,0=8 D) Ca = 3, P = 1,0 = 8 E) none of the above le Ol be 20) What is the correct formula of a compound that has ten oxygen atoms and four phosphorus atoms? A) O10P4 B) 100P4 C) 4P010...
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...
10) The product formed when an aqueous solution of Cation is added to a soap solution...
10) The product formed when an aqueous solution of Cation is added to a soap solution is: a) the Calcium Carboxylate precipitate b) CaCl2(s) c) the solid soap (precipitate). 11) The correct solubilities for the Na+1/K*l metal salts of RCO22, Arso31, and RSO4 +are: (S =soluble, 1 = Insoluble). a) RCO2-2 (S), ArsO3 (S), RSO4+ (S) b) RCO2-2 (S), ArS03-0), RSO41 (1) c) RCO2 2 (), ARSO3-?(), RSO4+ (1) d) RCO2 2 (O), ArS03-(S), RSO4* (S) 12) The correct solubilities...
14. How many protons are there in an atom of uranium whose mass number is 235?...
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 Therefore, the name of HCIO, is 15. The chemical name for CIO, is chlorite ion. 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 E) cesium 17. Which one of...
17. On the basis of the general solubility rules given in Table 7.1, write a balanced...
17. On the basis of the general solubility rules given in Table 7.1, write a balanced molecular equation for the precipitation reactions that take place when the following aqueous solutions are mixed. Underline the formula of the precipitate (solid) that forms. If no precipitation reaction is likely for the reactants given, explain why. a. ammonium chloride, NH,CI, and sulfuric acid, H,SO b. potassium carbonate, K,CO3, and tin(IV) chloride, Snc c. ammonium chloride, NH CI, and lead(II) nitrate, Pb(NO3) d. copper(II)...
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...
HW2 Due: 03/04/2020 16. What is the correct formula for the oxide ion? A. 02- B....
HW2 Due: 03/04/2020 16. What is the correct formula for the oxide ion? A. 02- B. O C. 02 D. O 17. The correct formula for the compound formed from Mg and Sis A. Mgs B. MgS: C. Mg2S D. Mg2S2 18. Which of the following compounds contains an ion with a 3+ charge? A. KCI B. FeCl3 C. Cuci D. Na20 19. What is the correct name for the compound Al(SO4)3? A. Aluminum (III) sulfate B. Dialuminum trisulfate C....
Question 8 4 pts 8. A list of names is shown on the left. For which...
Question 8 4 pts 8. A list of names is shown on the left. For which name is the correct formula shown on the right? a. nickel phosphate NigP2 b. copper (11) carbonate Cu,CO3 C. chromium(III) nitrate CINO d. ammonium sulfate Al(SO4)2 e. potassium acetate KC H302 OD PPT
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...
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....
19) How many of each type of atom are there in the formula Ca3(PO4)2? A) Ca = 3, P = 1,0 = 4 B) Ca 3, P = 2, O = 4 C) Ca = 3, P = 2,0=8 D) Ca = 3, P = 1,0 = 8 E) none of the above le Ol be 20) What is the correct formula of a compound that has ten oxygen atoms and four phosphorus atoms? A) O10P4 B) 100P4 C) 4P010...
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...
10) The product formed when an aqueous solution of Cation is added to a soap solution is: a) the Calcium Carboxylate precipitate b) CaCl2(s) c) the solid soap (precipitate). 11) The correct solubilities for the Na+1/K*l metal salts of RCO22, Arso31, and RSO4 +are: (S =soluble, 1 = Insoluble). a) RCO2-2 (S), ArsO3 (S), RSO4+ (S) b) RCO2-2 (S), ArS03-0), RSO41 (1) c) RCO2 2 (), ARSO3-?(), RSO4+ (1) d) RCO2 2 (O), ArS03-(S), RSO4* (S) 12) The correct solubilities...
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 Therefore, the name of HCIO, is 15. The chemical name for CIO, is chlorite ion. 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 E) cesium 17. Which one of...
17. On the basis of the general solubility rules given in Table 7.1, write a balanced molecular equation for the precipitation reactions that take place when the following aqueous solutions are mixed. Underline the formula of the precipitate (solid) that forms. If no precipitation reaction is likely for the reactants given, explain why. a. ammonium chloride, NH,CI, and sulfuric acid, H,SO b. potassium carbonate, K,CO3, and tin(IV) chloride, Snc c. ammonium chloride, NH CI, and lead(II) nitrate, Pb(NO3) d. copper(II)...
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...
HW2 Due: 03/04/2020 16. What is the correct formula for the oxide ion? A. 02- B. O C. 02 D. O 17. The correct formula for the compound formed from Mg and Sis A. Mgs B. MgS: C. Mg2S D. Mg2S2 18. Which of the following compounds contains an ion with a 3+ charge? A. KCI B. FeCl3 C. Cuci D. Na20 19. What is the correct name for the compound Al(SO4)3? A. Aluminum (III) sulfate B. Dialuminum trisulfate C....
Question 8 4 pts 8. A list of names is shown on the left. For which name is the correct formula shown on the right? a. nickel phosphate NigP2 b. copper (11) carbonate Cu,CO3 C. chromium(III) nitrate CINO d. ammonium sulfate Al(SO4)2 e. potassium acetate KC H302 OD PPT
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...
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