Flowers Ch.2 Exam Prep Atoms, Molecules, and Ions - Chemistry 2e Complete Test Bank by Paul Flowers. DOCX document preview.
Supplemental Test Items to accompany OpenStax Chemistry. Note that not all chapters of OpenStax Chemistry have accompanying test items. Building on the community-oriented nature of OpenStax resources, we invite you to submit items to be considered for future inclusion.
Chapter 02: Atoms, Molecules, and Ions
- Structural isomers are considered molecules with the same ____________. (Outcome # 1,5,9) DOK 1
- kinds and number of atoms but a different arrangement of these atoms
- number of electrons and protons but a different number of neutrons
- molecular formula but with a different overall charge
- Which of the following is not a correct element name-symbol combination? (Outcome # 1) DOK 1
- copper, Cu
- arsenic, Ar
- gold, Au
- Isotopes of carbon differ with respect to the number of _________. (Outcome # 1,8) DOK 1
- protons
- neutrons
- electrons
- Elements in group 17 are considered _____________. (Outcome # 1,2) DOK 1
- alkali Metals
- halogens
- noble Gases
- Due to periodicity, which of the following elements has chemical behavior similar to that of Oxygen? (Outcome # 1,2,8) DOK 1
- bromine
- sulfur
- carbon
- Where would you expect to find a stored bottle of HCl in the laboratory? (Outcome # 5) (DOK 1)
- in the storage cabinet labeled strong bases
- in the storage cabinet labeled strong acids
- in the storage cabinet labeled solvents
- Where would you expect to find a stored bottle of NaOH in the laboratory? (Outcome # 5) (DOK 1) (Paired item 1)
- in the storage cabinet labeled strong bases
- in the storage cabinet labeled strong acids
- in the storage cabinet labeled solvents
- Which of the following would be considered a caustic base? (Outcome # 5) (DOK 1)
- HNO3
- H2SO4
- NaOH
- Elements arranged horizontally in the periodic table are in the same_____? (Outcome # 2) (DOK 1)
- group or family
- period
- column
- Which elements are considered noble gases? (Outcome # 2) (DOK 1)
- He, Ne, Ar
- H, N, O
- F, Cl, Br
- Chlorine gas is considered a _____? (Outcome # 2) (DOK 1)
- noble gas
- halogen
- chalcogen
- Oxygen gas is considered a _____? (Outcome # 2) (DOK 1) (Paired item 1)
- noble gas
- halogen
- chalcogen
- What is the correct formula for acetic acid? (Outcome # 2) (DOK 1)
- CH3CO2H
- CH3CO2-
- CH3CO2H2
- What is the correct formula for lead(II) nitrate? (Outcome # 2) (DOK 1) (Paired item 1)
- Pd(NO3)2
- Pb(NO3)
- Pb(NO3)2
- What is the name for iron(III) chloride? (Outcome # 2) (DOK 1)
- FeCl2
- FeCl3
- FeCl4
- What is the correct name for the precipitate formed when mixing potassium carbonate and nickel(II) chloride? (Outcome # 2) (DOK 2)
- potassium chloride
- nickel(II) carbonate
- nickel(III) carbonate
- Which of the following gases exists as a diatomic molecule? (Outcome # 9) (DOK 1)
- krypton
- hydrogen
- argon
- In mass spectrometry, species are separated based off their _____? (Outcome # 7) (DOK 2)
- mass-to-charge ratio
- mass
- charge
- Which statement is correct about chlorine-35 and chorine-37? (Outcome # 8) (DOK 1)
- They have the same number of protons and electrons, but a different number of neutrons.
- They have a different number of protons and electrons, but the same number of neutrons.
- They have the same number of protons, but a different number of electrons and neutrons.
- What is the overall charge on a sulfate ion? (Outcome # 8) (DOK 1)
- 0
- -1
- -2
- What is the overall charge on a phosphate ion? (Outcome # 8) (DOK 1)
- -2
- -3
- -1
- Which of the following would be considered a corrosive acid? (Outcome # 5) (DOK 1)
- HNO3
- NaOH
- KOH
- Which list of elements contains ONLY nonmetals? (Outcome # 1,9) (DOK 1)
- helium, carbon, gold
- sodium, chromium, copper
- phosphorus, nitrogen, oxygen
- The formula for potassium cyanide is KCN and the formula for calcium fluoride is CaF2. What is the formula for calcium cyanide? (Outcome # 1,7,8,9) (DOK 2)
- Ca2CN
- CaCN
- Ca(CN)2
- Using the periodic table, what is the atomic number of argon? (Outcome # 1,9) (DOK 2)
- 26.98
- 13
- 18
- Which of the following is an ionic compound? (Outcome # 1,9) (DOK 1)
- CO
- HCl
- Na2O
- Structural isomers are considered molecules with the same ____________. (Outcome # 1,9) (DOK 2)
- kinds and number of atoms but a different arrangement of these atoms
- number of electrons and protons but a different number of neutrons
- molecular formula but with a different overall charge
- The Greek philosopher Democritus phrased what word for a tiny piece of matter that cannot be divided? (Outcome # 1,9) (DOK 1)
- element
- atom
- electron
- Who provided evidence for the existence of a nucleus in an atom? (Outcome # 1,9) (DOK 1)
- John Dalton
- J.J. Thomson
- Ernest Rutherford
- Within the nucleus, the positive charge is __________. (Outcome # 1,9) (DOK 2)
- concentrated in the center of an atom
- spread evenly throughout an atom
- concentrated at multiple sites in an atom
- Which statement about subatomic particles is NOT true? (Outcome # 1,9) (DOK 2)
- Protons and neutrons have almost the same mass.
- Protons and electrons have opposite charges.
- Protons and neutrons have the same charge
- The number of protons in one atom of an element is that element’s __________. (Outcome # 1,9) (DOK 1)
- mass number
- atomic mass
- atomic number
- To calculate the number of neutrons in an atom, you would subtract (Outcome # 1,9) (DOK 1)
- mass number from atomic number
- atomic number from mass number
- atomic number from electron number
- Which of the following is not a correct element name-symbol combination? (Outcome # 1,9) (DOK 1)
- copper, Cu
- arsenic, Ar
- gold, Au
- Isotopes of carbon differ with respect to the number of _________. (Outcome # 1,9) (DOK 1)
- protons
- neutrons
- electrons
- The fact that LiBr is 7.99 % lithium and 92.01 % bromine by mass regardless of its origin is an example of _____. (Outcome # 9) (DOK 1)
- law of definite proportions
- law of conservation of mass
- Dalton’s atomic theory
- Which of the following elements form +2 ions? (Outcome # 9) (DOK 1)
- strontium, magnesium, calcium
- lithium, sodium, potassium
- sodium, magnesium, aluminum
- Which of the following elements form +1 ions? (Outcome # 9) (DOK 1)
- strontium, magnesium, calcium
- lithium, sodium, potassium
- sodium, magnesium, aluminum
- How many neutrons are in carbon-12? (Outcome # 9) (DOK 1)
- 6
- 7
- 8
- How many neutrons are in chlorine-37? (Outcome # 9) (DOK 1)
- 18
- 20
- 18.5
- Identify the chalcogen that has 18 neutrons in the nucleus. (Outcome # 9) (DOK 2)
- sulfur-32
- sulfur-33
- sulfur-34
- The chemical symbol for cobalt is _____. (Outcome # 7) (DOK 1)
- Co
- cO
- CO
- What is the chemical symbol for manganese? (Outcome # 7) (DOK 1)
- Mn
- Mg
- mn
- Which element is represented by the chemical symbol Th? (Outcome # 7) (DOK 1)
- thallium
- thorium
- tantalum
- Which element is represented by the chemical symbol Tl? (Outcome # 7) (DOK 1)
- tantalum
- thallium
- thorium
- What is an anion? (Outcome # 7) (DOK 1)
- An anion is defined as an atom that has lost electrons and forms a negative charge.
- An anion is defined as an atom that has gained electrons and forms a negative charge.
- An anion is defined as an atom that has gained electrons and forms a positive charge.
- What is a cation? (Outcome # 7) (DOK 1)
- A cation is defined as an atom that has lost electrons and forms a positive charge.
- A cation is defined as an atom that has gained electrons and forms a negative charge.
- A cation is defined as an atom that has gained electrons and forms a positive charge.
- Hafnium atom is located in which block on the periodic table? (Outcome # 7) (DOK 1)
- p-block
- d-block
- f-block
- Lanthanum atom is located in which block on the periodic table? (Outcome # 7) (DOK 1)
- p-block
- d-block
- f-block
- Determine the formula for copper(II) nitrate. (Outcome # 8) (DOK 2)
- Cu2NO3
- CuNO3
- Cu(NO3)2
- What is the name of Fe2O3? (Outcome # 8) (DOK 2)
- iron(II) oxide
- iron(III) oxide
- iron(IV) oxide
- What is the correct formula for cobalt(III) chloride? (Outcome # 8) (DOK 2)
- CoCl2
- CoCl3
- Co3Cl
- What is the correct formula for iodine monochloride? (Outcome # 8) (DOK 2)
- ICl2
- I2Cl
- ICl
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