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Tenth Grade (Grade 10) Molecules and Compounds Questions

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Grade 10 Molecules and Compounds
What is the correct name for the compound [math]MgO[/math]?
  1. magnesium trioxide
  2. dimagnesium trioxide
  3. magnesium oxide
  4. magnesium oxygen
Grade 10 Molecules and Compounds
What is the formula for carbon tetrafluoride?
  1. [math]C_4F_4[/math]
  2. [math]CF_4[/math]
  3. [math]CF[/math]
  4. [math]C_4F[/math]
Grade 10 Molecules and Compounds
What is the correct name for the following compound: [math]SO_3[/math]?
  1. monosulfur oxide
  2. monosulfur trioxide
  3. sulfur trioxide
  4. sulfoxide
Grade 10 Molecules and Compounds
What is the chemical formula for dinitrogen heptafluoride?
  1. [math]N_7F_2[/math]
  2. [math]N_2F_7[/math]
  3. [math]NF_12[/math]
  4. [math]N_2F_9[/math]
Grade 10 Molecules and Compounds

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

Which of the following compound does not contain a polyatomic ion?
  1. sodium carbonate
  2. sodium sulfate
  3. sodium sulfite
  4. sodium sulfide
Grade 10 Molecules and Compounds
According to VSEPR theory, the molecular geometry for [math]"CH"_"3"^{+}[/math] is
  1. tetrahedral
  2. trigonal pyramidal
  3. bent or angular
  4. none of the above
Grade 10 Molecules and Compounds
What is the IUPAC name of [math]CuCl_2[/math]?
  1. copper (I) chloride
  2. copper (II) chloride
  3. copper (III) dichloride
  4. copper dichloride
Grade 10 Molecules and Compounds
Water is a polar molecule. This means that                                                                   
  1. the opposite ends of the molecule have opposite electrical charges
  2. water molecules are linear, like a pole
  3. water is one of the many hydrophobic molecules
  4. the atoms in water have equal electronegativities
Grade 10 Molecules and Compounds

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

Grade 10 Molecules and Compounds
What is the correct name for the formula [math]PbS[/math]?
  1. Lead (I) sulfide
  2. Lead (II) sulfide
  3. Lead sulfate
  4. Lead sulfide
Grade 10 Molecules and Compounds
Grade 10 Molecules and Compounds
Which of the following is the formula for magnesium hydroxide?
  1. [math]MgOH [/math]
  2. [math]Mg(OH)_2[/math]
  3. [math]MgO[/math]
  4. [math]MgH_2O[/math]
Grade 10 Molecules and Compounds
Which of the following is not a compound?
  1. carbon dioxide
  2. salt
  3. water
  4. sugar water
Grade 10 Molecules and Compounds
Grade 10 Molecules and Compounds
STP refers to                  .
  1. 101.3 KPa
  2. 0ÂșC
  3. (a) and (b)
  4. none of the above
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