What is the name of Ca(NO_3)_2? A) calcium dinitrite B) calcium nitrate C) calcium nitrite D)...
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...
Please answer with explanations 1. The formula of calcium nitrate (III) is: A. Ca(NO3)2 B. CaNO3 C. CaNO2 D. Ca(NO2)2 E. Ca(NO2)3 2. The formula of ethanol is: A. CH3OH B. CH3CH2OH C. CH3OCH3 D. CH3COOH E. none of the above 3. Oxidation numbers of chlorine in Cl2, NaCI, KCIO3, respectively are: A. -1, 0, +5 B. 0, -1, +5 C. 0, +1, +3 D. -1, +1,+5 E. 0, -1, -5
What is the correct name of the compound AgNO, ? silver nitrite silver (II) nitrate silver (I) nitrate O silver nitrate esc Q Search or enter address %
Directions: Write the formula or name of the following compounds in the space provided. (Please note that some of these compounds do not exist as a stable substance in nature, however the following should serve as a practice exercise in nomenclature.) If provided the name, then you must write the formula. If provided the formula, then you must write the correct name. Indicate IUPAC names only. NOTE: IF EVEN ONE PROBLEM IS LEFT UNANSWERED, YOU WILL RECEIVE ZERO (0) POINTS...
Q43. Write formulas for the following cations: a. Potassium: b. calcium: c. ammonium: d. lead(II) : e. copper(I) : f. zinc: g. titanium(IV) : h. silver: i. nickel(III): j. hydrogen: k. tin(II) : l. mercury(II) : m. iron(III) : Q44. Write formulas for the following anions: a. fluoride: b. oxide: c. iodide: d. carbonate: e. hydrogen carbonate: f. phosphate: g. sulfide: h. sulfate: i. nitride: j. nitrate: k. phosphide: l. chloride:
1. What is the mass of 0.78 × 1022 Mg-atoms in grams? A. 2.36 × 10-5 B. 7.1 C. 0.315 D. 5.35 × 10-4 E. None of these choices is correct 2. Which of the following is a molecular compound? A. Sodium nitride B. Calcium oxide C. Carbon dioxide D. None of these choices is correct E. Barium hydroxide
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...
Which of the following formula/name combination is correct? A) lithium perbromate: LiBr04 B) Magnesium hydroxide: MgOH2 C) Ca3N2: Calcium nitrite D) SnSO4 : Tin(l) sulfate E) P205: phosphorus oxide
6. The molecular formula of the ionic compound calcium nitrate is Ca(NO3)2 a. Based on the formula given for calcium nitrate, what is the charge (sign and size) on the polyatomic nitrate ion NO3? In other words, what is "x" in the formula NO3? How do you know? b. Calculate the molar mass of calcium nitrate to 2 decimal places. Show how you arrived at your answer. Determine the number of moles in a 65-ng sample of calcium nitrate. c.
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....