Chapter 2 Part 2 Honors Review

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1 Chapter 2 Part 2 Honors Review Student: 1. An anion is defined as A. a charged atom or group of atoms with a net negative charge. B. a stable atom. C. a group of stable atoms. D. an atom or group of atoms with a net positive charge. 2. Which one of these species is an ion? A. B 3+ B. NaCl C. He D. 14 C E. none of these 3. A magnesium ion, Mg 2+, has A. 12 protons and 13 electrons. B. 24 protons and 26 electrons. C. 12 protons and 10 electrons. D. 24 protons and 22 electrons. E. 12 protons and 14 electrons. 4. An aluminum ion, Al 3+, has: A. 13 protons and 13 electrons B. 27 protons and 24 electrons C. 16 protons and 13 electrons D. 13 protons and 10 electrons E. 10 protons and 13 electrons 5. An oxide ion, O 2-, has: A. 8 protons and 10 electrons B. 10 protons and 8 electrons C. 8 protons and 9 electrons D. 8 protons and 7 electrons E. 10 protons and 7 electrons 6. A sulfide ion, S 2-, has: A. 16 protons and 16 electrons B. 32 protons and 16 electrons C. 16 protons and 14 electrons D. 16 protons and 18 electrons E. 32 protons and 18 electrons 7. How many protons and electrons are present in one Br - ion? A. 35 p, 35 e B. 80 p, 81 e C. 35 p, 34 e D. 35 p, 36 e E. 80 p, 34 e 8. Which of these pairs of elements would be most likely to form an ionic compound? A. P and Br B. Cu and K C. C and O D. O and Zn E. Al and Rb 9. What is the formula for the ionic compound formed by calcium ions and nitrate ions? A. Ca 3 N 2 B. Ca(NO 3 ) 2 C. Ca 2 NO 3 D. Ca 2 NO 2 E. CaNO 3

2 10. What is the formula for the binary compound formed by potassium and nitrogen? A. KN B. K 2 N C. NK 2 D. K 3 N E. NK Which is the correct formula for copper(ii) phosphate? A. Cu 2 PO 4 B. Cu 3 (PO 4 ) 2 C. Cu 2 PO 3 D. Cu(PO 4 ) 2 E. Cu(PO 3 ) The formula for magnesium sulfate is A. MnS. B. MgS. C. MnSO 3. D. MgSO 4. E. MnSO The correct name for NH 4 NO 3 is A. ammonium nitrate. B. ammonium nitrogen trioxide. C. ammonia nitrogen oxide. D. hydrogen nitrogen oxide. E. hydrogen nitrate. 14. The correct name for Ba(OH) 2 is A. barium hydrogen oxide. B. boron hydroxide. C. barium hydrate. D. beryllium hydroxide. E. barium hydroxide. 15. The correct name for KHCO 3 is A. calcium bicarbonate. B. calcium carbonate. C. potassium carbonate. D. calcium hydrogen carbon trioxide. E. potassium hydrogen carbonate. 16. The Stock system name for Mn 2 O 7 is A. dimanganese heptaoxide. B. magnesium oxide. C. manganese(vii) oxide. D. manganese(ii) oxide. E. manganese(iii) oxide. 17. The Stock system name for As 2 S 5 is A. arsenic(v) sulfide. B. diarsenic pentasulfide. C. arsenic(iii) sulfide. D. arsenic(v) sulfate. E. diarsenic sulfate. 18. Which is the correct formula for lead(iv) chloride? A. Pb 4 Cl B. PbCl 2 C. PbCl 3 D. PbCl 4 E. Pb 2 Cl The Stock system name for CrO 3 is A. chromium oxide. B. chromium(ii) oxide. C. chromium(iii) trioxide. D. chromium(iii) oxide. E. chromium(vi) oxide.

3 20. The Stock system name for Cr 2 O 3 is A. chromium(iii) oxide. B. dichromium trioxide. C. chromium(vi) oxide. D. chromium trioxide. E. chromium(ii) oxide. 21. What are the seven elements that naturally occur as diatomic molecules. 22. A molecule of antifreeze, ethylene glycol, has the formula C 2 H 4 (OH) 2. How many atoms are there in one molecule of antifreeze? 23. The table below describes four atoms. Which atoms represent the same element? 24. How many electrons does the atom contain? Consider a neutral atom of the element phosphorus.

4 25. How many neutrons does the atom contain? Consider a neutral atom of the element phosphorus. 26. Give the formula of iron(ii) phosphate. 27. Give the formula of copper(ii) bromide. 28. Give the formula of ammonium sulfate. 29. How many electrons are there in O 2-? 30. How many electrons are there in Ni 2+?

5 31. Define allotrope.

6 Chapter 2 Part 2 Honors Review Key 1. An anion is defined as A. a charged atom or group of atoms with a net negative charge. B. a stable atom. C. a group of stable atoms. D. an atom or group of atoms with a net positive charge. 2. Which one of these species is an ion? A. B 3+ B. NaCl C. He D. 14 C E. none of these 3. A magnesium ion, Mg 2+, has A. 12 protons and 13 electrons. B. 24 protons and 26 electrons. C. 12 protons and 10 electrons. D. 24 protons and 22 electrons. E. 12 protons and 14 electrons. 4. An aluminum ion, Al 3+, has: A. 13 protons and 13 electrons B. 27 protons and 24 electrons C. 16 protons and 13 electrons D. 13 protons and 10 electrons E. 10 protons and 13 electrons 5. An oxide ion, O 2-, has: A. 8 protons and 10 electrons B. 10 protons and 8 electrons C. 8 protons and 9 electrons D. 8 protons and 7 electrons E. 10 protons and 7 electrons 6. A sulfide ion, S 2-, has: A. 16 protons and 16 electrons B. 32 protons and 16 electrons C. 16 protons and 14 electrons D. 16 protons and 18 electrons E. 32 protons and 18 electrons 7. How many protons and electrons are present in one Br - ion? A. 35 p, 35 e B. 80 p, 81 e C. 35 p, 34 e D. 35 p, 36 e E. 80 p, 34 e Difficulty: Easy Raymond Atoms... #4 Difficulty: Easy Raymond Atoms... #14 Raymond Atoms... #16 Raymond Atoms... #17 Raymond Atoms... #18 Raymond Atoms... #19 Raymond Atoms... #20

7 8. Which of these pairs of elements would be most likely to form an ionic compound? A. P and Br B. Cu and K C. C and O D. O and Zn E. Al and Rb 9. What is the formula for the ionic compound formed by calcium ions and nitrate ions? A. Ca 3 N 2 B. Ca(NO 3 ) 2 C. Ca 2 NO 3 D. Ca 2 NO 2 E. CaNO What is the formula for the binary compound formed by potassium and nitrogen? A. KN B. K 2 N C. NK 2 D. K 3 N E. NK Which is the correct formula for copper(ii) phosphate? A. Cu 2 PO 4 B. Cu 3 (PO 4 ) 2 C. Cu 2 PO 3 D. Cu(PO 4 ) 2 E. Cu(PO 3 ) The formula for magnesium sulfate is A. MnS. B. MgS. C. MnSO 3. D. MgSO 4. E. MnSO The correct name for NH 4 NO 3 is A. ammonium nitrate. B. ammonium nitrogen trioxide. C. ammonia nitrogen oxide. D. hydrogen nitrogen oxide. E. hydrogen nitrate. 14. The correct name for Ba(OH) 2 is A. barium hydrogen oxide. B. boron hydroxide. C. barium hydrate. D. beryllium hydroxide. E. barium hydroxide. 15. The correct name for KHCO 3 is A. calcium bicarbonate. B. calcium carbonate. C. potassium carbonate. D. calcium hydrogen carbon trioxide. E. potassium hydrogen carbonate. Raymond Atoms... #21 Raymond Atoms... #23 Raymond Atoms... #26 Raymond Atoms... #27 Raymond Atoms... #32 Raymond Atoms... #34 Raymond Atoms... #35 Raymond Atoms... #36

8 16. The Stock system name for Mn 2 O 7 is A. dimanganese heptaoxide. B. magnesium oxide. C. manganese(vii) oxide. D. manganese(ii) oxide. E. manganese(iii) oxide. 17. The Stock system name for As 2 S 5 is A. arsenic(v) sulfide. B. diarsenic pentasulfide. C. arsenic(iii) sulfide. D. arsenic(v) sulfate. E. diarsenic sulfate. 18. Which is the correct formula for lead(iv) chloride? A. Pb 4 Cl B. PbCl 2 C. PbCl 3 D. PbCl 4 E. Pb 2 Cl The Stock system name for CrO 3 is A. chromium oxide. B. chromium(ii) oxide. C. chromium(iii) trioxide. D. chromium(iii) oxide. E. chromium(vi) oxide. 20. The Stock system name for Cr 2 O 3 is A. chromium(iii) oxide. B. dichromium trioxide. C. chromium(vi) oxide. D. chromium trioxide. E. chromium(ii) oxide. 21. What are the seven elements that naturally occur as diatomic molecules. Raymond Atoms... #37 Raymond Atoms... #38 Raymond Atoms... #40 Raymond Atoms... #43 Raymond Atoms... #44 Hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine, iodine Raymond Atoms... # A molecule of antifreeze, ethylene glycol, has the formula C 2 H 4 (OH) 2. How many atoms are there in one molecule of antifreeze? 10 Difficulty: Easy Raymond Atoms... #76

9 23. The table below describes four atoms. Which atoms represent the same element? Atoms A and D represent the same element, Atoms B and C represent the same element. 24. How many electrons does the atom contain? Consider a neutral atom of the element phosphorus. Raymond Atoms... # How many neutrons does the atom contain? Consider a neutral atom of the element phosphorus. Raymond Atoms... # Give the formula of iron(ii) phosphate. Raymond Atoms... #99 Fe 3 (PO 4 ) Give the formula of copper(ii) bromide. Raymond Atoms... #112 CuBr Give the formula of ammonium sulfate. Raymond Atoms... #113 (NH 4 ) 2 SO How many electrons are there in O 2-? Raymond Atoms... # Raymond Atoms... #121

10 30. How many electrons are there in Ni 2+? Define allotrope. Raymond Atoms... #123 An allotrope is one of the two or more distinct forms of an element. Difficulty: Easy Raymond Atoms... #125

11 Category # of Questions Difficulty: Easy 4 27 Raymond Atoms Chapter 2 Part 2 Honors Review Summary

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