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Eleventh Grade (Grade 11) Chemistry Questions

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Grade 11 Reactions
What is the Greek prefix for the number 4?
  1. tetra-
  2. hepta-
  3. hexa-
  4. deca-
Grade 11 Molecules and Compounds
Elements that are composed of only two atoms with the same chemical elements are called                    .
  1. ionic bonds
  2. polyatomic ions
  3. diatomic elements
  4. molecular compounds
Grade 11 Bonds and Mixing
A mixture that does not have a uniform composition throughout is a
  1. homogeneous mixture.
  2. heterogeneous mixture.
  3. solution.
  4. gas.
Grade 11 Biochemical Pathways
Which kind of cellular respiration happened in the absence of oxygen in some of the earliest forms of life on Earth?
  1. aerobic respiration
  2. anaerobic respiration
  3. deoxygenated respiration
  4. oxygenated respiration
Grade 11 Reactions
Balancing a chemical equation requires manipulation of the
  1. coefficients.
  2. subscripts.
  3. formulas of the products.
  4. number of the product.
Grade 11 Atomic Structure
Which represents a correct electron configuration for a zinc atom?
  1. 1s22s22p63s23p64s23d8
  2. 1s22s23s24s22p63p63d10
  3. 1s22s22p63s23p64s23d10
  4. 1s22s22p53s23p64s23d104p1
Grade 11 Atomic Structure

This question is a part of a group with common instructions. View group »

If an atom loses one or more electrons, the atom becomes a(n)
  1. positive ion.
  2. negative ion.
  3. different element.
  4. isotope.
Grade 11 Stoichiometry
Multiplying 6.02×1023 by another number could be involved in which conversion of units?
  1. atoms to moles
  2. moles to molecules
  3. mass to moles
  4. moles to mass
Grade 11 Periodic Table and Elements
Which area on the periodic table represents the electrons in the "d" sublevel?
  1. rare earth elements
  2. columns 3-8
  3. transition elements
  4. none of the above
Grade 11 Reactions
Which statement correctly defines an exothermic reaction?
  1. A chemical reaction with evolution of heat
  2. A chemical reaction with absorption of heat
  3. A chemical reaction with no change in internal energy
  4. A chemical chemical with no change in temperature
Grade 11 Molecules and Compounds
What are two or more charged atoms held together by covalent bonds called?
  1. Polyatomic Ions
  2. Molecular Compounds
  3. Binary Compounds
  4. Covalent Bonds
Grade 11 Organic Chemistry
Which branch of chemistry is the study of substances which are compounds of carbon?
  1. organic chemistry
  2. analytical chemistry
  3. inorganic chemistry
  4. physical chemistry
Grade 11 Solvents, Solutes, and Solubility
What is the molarity of 6 moles of sodium chloride dissolved in 450 mL of solution?
  1. 75 mol/L
  2. 13.3 mol/L
  3. 0.013 mol/L
  4. 133.3 mol/L
Grade 11 Atomic Structure
The electron-dot diagram below represents which of the following?
Electron-Dot Diagram - Sodium
  1. All of the electrons in sodium
  2. The valence electrons in sodium
  3. The electrons in the first energy level
  4. None of the above
Grade 11 Properties of Matter
Which of the following terms describes the ability of a material to be hammered into sheets?
  1. conductivity
  2. ductility
  3. wireability
  4. malleability
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