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Eleventh Grade (Grade 11) Chemistry Questions

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Grade 11 Periodic Table and Elements
In which family is an element in Group 16, Period 4 found?
  1. The Halogen Family
  2. The Oxygen Family
  3. The Nitrogen Family
  4. The Radon Family
Grade 11 Biochemical Pathways
Grade 11 Bonds and Mixing
In chemistry, we describe a mixture as
  1. a combination of pure substances formed through chemical bonding.
  2. any substance possessing a uniform composition throughout.
  3. a physical combination of two or more types of substances,with each maintaining its own characteristic properties.
  4. any collection of elements chemically bound to each other.
Grade 11 Atomic Structure
In chemistry, we describe an atom as
  1. the tiniest unit of matter that keeps its characteristic chemical identity.
  2. the simplest unit of a compound.
  3. always being made up of carbon.
  4. being smaller than an electron.
Grade 11 Biochemical Pathways
Which chemical equation correctly represents photosynthesis?
  1. [math]H_2O + CO_2 + sunlight rarr O_2 + "glucose"[/math]
  2. [math]H_2O + O_2 + sunlight rarr CO_2 + "glucose"[/math]
  3. [math]O_2 + "glucose" rarr H_2O + CO_2 + "energy"[/math]
  4. [math]CO_2 + "glucose" rarr H_2O + O_2 + "energy"[/math]
Grade 11 Properties of Matter
Grade 11 Stoichiometry
Which of the following represents a correct chemical formula for copper (II) nitrate?
  1. [math]Cu_2NO_3[/math]
  2. [math]Cu(NO_3)_2[/math]
  3. [math]Cu_3N_2[/math]
  4. [math]CuN[/math]
Grade 11 Properties of Matter
Grade 11 Atomic Structure
Which ion's configuration matches that of the noble gas whose electron-dot diagram is below?
Electron-Dot Diagram - Argon
  1. [math]"N"^"3-"[/math]
  2. [math]"Rb"^"+"[/math]
  3. [math]"Ca"^"2+"[/math]
  4. None of the above
Grade 11 Macromolecules
Which is a general term attributed to a large and complex molecule?
  1. nucleic acid
  2. macromolecule
  3. polymer
  4. phosphate
Grade 11 Matter
Which of the following is not true of gases, as compared to liquids or solids?
  1. Gas molecules are in constant, rapid motion.
  2. Molecules in a gas are tightly bound to each other by strong attractive forces.
  3. The kinetic energy of a gas is directly proportional to its temperature.
  4. The volume of a gas molecule itself is very small compared to the space the gas occupies.
Grade 11 Acids and Bases
Grade 11 Reactions
You know that you have a balanced chemical equation when the
  1. coefficients of the reactants equal the coefficients of the products.
  2. number of atoms of each element in the reactants equal that of each corresponding element in the products.
  3. products and reactants are the same chemicals.
  4. subscripts of the reactants equal the subscripts of the products.
Grade 11 Periodic Table and Elements
Each row of the periodic table is called a
  1. period.
  2. group.
  3. product.
  4. reactant.
Grade 11 Reactions
Which of the following must always be true for any kind of chemical reaction?
  1. The masses of the products and the reactants are equal.
  2. The mass of the products is greater than that of the reactants.
  3. The number of atoms in the reactants must change when products are formed.
  4. The reactants require the absorption of heat for a reaction to occur.
Grade 11 Reactions
Based on the Law of Conservation of Mass, we know that the mass of the reactants
  1. always be more than the total mass of the products.
  2. always be less than the total mass of the products.
  3. sometimes be more and sometimes be less than the total mass of the products.
  4. always be equal to the total mass of the products.
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