24) A student wrote the formula for the compound aluminum phosphate as AlPO4. What is wrong...
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...
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....
What is the formula for the ionic compound composed of the aluminum ion, Al3+, and the oxide ion, O2-? a) Al2O4 b) Al3O2 c) Al2O3 d) Al6O6 e) AlO
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....
all 6. Which combination of atoms is most likely to form an ionic compound if they are allowed to react with each other? A) metal and metal B) metal and nonmetal C) nonmetal and nonmetal D) metalloid and metalloid E) All combinations are likely to form an ionic compound. 7. A covalent bond involves which of the following? A) sharing of electrons between two atoms B) transfer of electrons between two atoms C) donation of protons from one atom to...
What is the formula for an ionic compound made of barium and nitrogen? A) BaN B) Ba_3N_2 C) Ba_2N_4 D) Ba_2N_3 E) none of the above Carbon monoxide is considered which of the following? A) molecular element B) ionic compound C) atomic element D) molecular compound E) none of the above Ammonium fluoride is considered which of the following A) B)
Which compound listed below has the highest molar solubility in water? Calcium hydroxide Ca(OH)2 Ksp= 5.5x10-6 Calcium oxalate CaC204 Ksp= 2.7x10-9 Calcium phosphate Ca3(PO4)2 Ksp=2.0x10-29 Calcium sulfate CaSO4 Ksp= 9.1x10-6 A. CaC204 B. They are all equally insoluble C. Ca(OH)2 D. Ca3(PO4)2 E. CaSO4
Write the formula of each compound. A) Potassium chloride B) Copper (II) phosphate C) phosphorous trichloride D) Sodium hydroxide E) Calcium hydrogen carbonate
s sodum phosphate =) 0.25 X 162 moc acid & 0.25X6.3.01 = 0.25 * 163.94 = 41.69 6.3.01 = 15.89 scular Weight and Percent Compositon and all Molecular weights to one place pass Problem Set #19 - Moles, Molecules, Molecular Weight Give all answers in three significant figures and all Molecule the decimal 1. Give the molecular weight (molar mass) for each of the following a. sodium phosphate — 1649 ole b. nitric acid - 63.0lmol- c. barium arsenate 690...
12. Suppose that a stable element with atomic number 120, symbol Z, has been discovered. a. Write the ground-state electron configuration for 2, showing only the valence-shell electrons. b. Would Z be a metal or a nonmetal? Explain in terms of electron configuration. c. On the basis of periodic trends, would Z have the largest atomic radius in its group or would it have the smallest? Explain in terms of electronic structure. d. What would be the most likely charge...