University:
Kentucky State University
Course:
CHE 101 | General Chemistry I
Academic year:

2021
Views:

303

Pages:

6
Author:

thyristoreqt

CHAPTER 2 1. Which one of the following is correct: A) The name of Cu3N2 is copper (II) nitrite. B) The name of Fe2O3 is iron (II) oxide. C) The name of CrO3 is chromium (VI) oxide. D) The name of Cr2O3 is dichromium trioxide. E) The name of MnO2 is manganese (II) oxide. 2. The name of Ca2N3 is: A) calcium nitride B) dicalcium trinitride C) calcium nitrite D) calcium nitrate E) it is wrong formula 3. The chemical formula of calcium nitride is: A) CaN B) Ca2N C) CaN2 D) Ca3N2 E) Ca3N3 P a g e 8 | 45 4. The name of MgO2 is: A) magnesium sulfate B) magnesium oxide C) magnesium peroxide D) magnesium dioxygen 5. Which of the following compounds would you expect to be ionic: NO2, AlCl3, NF3, BF3, C2H4O2: A) NO2 B) NF3, AlCl3 C) BF3, C2H4O2, AlCl3 D) BF3, AlCl3 6. The name of Mg3P2 is: A) Magnesium phosphide B) Magnesium sulfate C) Magnesium phosphate E) Magnesium phosphite 7. The chemical formula of sodium oxide is: A) NaO B) NaO2 C) Na2O2 D) Na2O P a g e 9 | 45 8. Which combination of formula/name is incorrect? A) FeO / iron (II) oxide B) Fe2S3 / iron (III) sulfide C) Cr3P / chromium (II) phosphide D) KMnO4 / potassium permanganate 9. The name of Cu3PO4 is: A) copper (I) phosphate B) copper (II) phosphate C) copper (III) phosphate D) copper phosphate 10. Which of the following ionic compounds does not exist? A) PCl6B) OF4 C) NCl3 D) ICl3 11. Which of the following pair of elements would most likely form an ionic compound? A) Al and Rb B) I and Rb C) Cl and I D) C and S P a g e 10 | 45 12. The name of HCLO2 is: A) hydrochloric acid B) chlorous acid C) hypochlorous acid D) perchloric acid 13. Write the formula of disulfurdinitride: A) S2N B) S3N2 C) S2N2 D) S4N2 14. The correct name of Mn2O4 is: A) manganese (IV) oxide B) manganese (VI) oxide C) manganese peroxide D) manganese (V) oxide 15. What is the symbol for an ion with 17 protons, 18 neutrons, and 18 electrons? A) 32S-2 B) 34S-2 C) 35ClD) 56Fe-2 P a g e 11 | 45 16. Changing the number of neutrons of an atom change its: A) isotope B) element C) ion D) charge E) molecules 17. Which of the species below is the nitride ion? A) Na+ B) NO3C) NO2D) N-3 E) NH4+ 18. The charge on the iron ion in the salt Fe2O3 is: A) +1 B) +2 C) +3 D) -5 E) -6 P a g e 12 | 45 19. The formula of ammonium carbonate is: A) (NH4)2CO3 B) NH4CO2 C) (NH3)2CO4 D) (NH3)2CO3 E) N2(CO3)3 20. Which of the following is not correctly named? A) Pb(NO3)2, lead (II) nitrate B) Mg(OH)2, magnesium hydroxide C) H3PO4, phosphoric acid D) NH4ClO4, ammonium chlorate P a g e 13 | 45