C. Polyatomic Ion

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Review
Team Review Chapter 6 and 7
• .
Chapter 6
• When at atom loses an electron, it
forms a(n)
• A. Anion
• B. Cation
• C. Polyatomic Ion
• D. Neutral Ions
Chapter 6
• The charge on a chloride ion in
AlCl3 is
• A. 1+
• B. 3+
• C. 1• D. 3-
Chapter 6
• Which pair has the same electron
configuration?
• A. Chloride and Argon
• B. Cl- and Argon• C. Chlorine and Argon
• D. Cl+ and Argon
Chapter 6
• A chemical bond that forms when
atoms share electrons is always ?
• A. A polar bond
• B. An ionic bond
• C. A metallic bond
• D. A covalent bond
Chapter 6
• When two fluorine atoms share a
pair of electrons the bond that
forms is
• A. A polar covalent bond
• B. An ionic bond
• C. A nonpolar covalent bond
• D. A double bond
Chapter 6
• The chemical formula for
magnesium bromide is
• A. MgBr
• B. MgBr2
• C. Mg(II)Br2
• D. Mg2Br
Chapter 6
• The compound with the formula
SiCl4
• A. Silicon chloride
• B. Silicon chlorine
• C. Silicon (I) chloride
• D. Silicon tetrachloride
Chapter 6
• The attraction among water
molecules is stronger than the
attraction among
• A. Sodium and chloride ions
• B. Carbon dioxide molecules
• C. Atoms in a polyatomic ion
• D. Atoms in a diatomic molecule
Chapter 6
• Which type of solid is likely to be
the best conductor of electric
current?
• A. Ionic compound
• B. Covalent compound
• C. Metal Element
• D. Nonmetal Element
Chapter 6
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An alloy contains
A. At least one metallic element
B. At least one nometallic element
C. Only metallic elements
D. Only nometallic elements
Chapter 7
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In an the equation;
NaHCO3 + HCl  NaCl + H20 + CO2
what are the reactants?
A. NaHCO3 and HCl
B. NaHCO3 and NaCl
C. HCl and NaCl
D. NaCl, H20, CO2
Chapter 7
• Which of the following is a
statement of the law of
conservation of mass? Mass is
• A. Created but not destroyed
• B. Destroyed but not created
• C. Neither created or destroyed
• D. Both created and destroyed
Chapter 7
• The mass of a hydrogen atom is 1
amu, the mass of carbon is 12.0
amu. What is the molar mass of
methane CH4?
• A. 13 amu
• B. 13 grams
• C. 16 amu
• D. 16 grams
Chapter 7
• In what type of reaction does one
reactant form two or more
products?
• A. Synthesis
• B. Decomposition
• C. Single Replacement
• D. Double Replacement
Chapter 7
• What particle is transferred from
one atom to another in a redox
reaction?
• A. Electron
• B. Neutron
• C. Proton
• D. Nucleus
Chapter 7
• Which of the following is a single
replacement reaction?
• A. KOH + HCl KCl + H2O
• B. 2Na +Zn(NO3)2 2NaNO3 + Zn
• C. 2C2H6 + 7O2  4 CO2 + 6 H20
• D. H2O + CO2  H2CO3
Chapter 7
• How are reactions related to
chemical bonds?
• A. Reactant bonds broken, product
•
bonds formed
• B. Neutron
• C. Proton
• D. Nucleus
Chapter 7
• What type of reaction always
releases energy?
• A. Endothermic
• B. Exothermic
• C. Decomposition
• D. Oxidation Reduction
Chapter 7
• In general an increase in
temperature does what to the
reaction rate?
• A. Increase
• B. Decrease
• C. Has no effect
• D. Only acts as a catalyst
Chapter 7
• What takes place at a chemical
equilibrium?
• A. Reactants form more quickly
• B. Products form more quickly
• C. Both stop forming
• D. Both form at the same rate
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