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Eleventh Grade (Grade 11) Molecules and Compounds Questions

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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 Molecules and Compounds
How is a molecule formed?
  1. When 2 elements are combined
  2. When 2 or more atoms bond covalently
  3. When atoms disappear
Grade 11 Molecules and Compounds
Two or more charged atoms held together by covalent bonds are called
  1. Polyatomic Ions
  2. Molecular Compounds
  3. Binary Compounds
  4. Covalent Bonds
Grade 11 Molecules and Compounds
Grade 11 Molecules and Compounds
Avogadro's number is equal to                              molecules in a mole.
  1. [math]3.00 xx 10^8[/math]
  2. [math]1.602 xx 10^-23[/math]
  3. [math]6.022 xx 10^23[/math]
  4. [math]6.22 xx 10^23[/math]
Grade 11 Molecules and Compounds

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

Chemical Compounds consisting of only two elements are called
  1. Molecular Compounds
  2. Binary Compounds
  3. Chemical Nomenclature
  4. Polyatomic Ions
Grade 11 Molecules and Compounds
Neutral atoms that are held together by covalent bonds are called
  1. Polyatomic Ions
  2. Binary Compounds
  3. Ternary Compounds
  4. Molecular Compounds
Grade 11 Molecules and Compounds
What is the total number of atoms contained in 2.00 moles of nickel?
  1. 58.9
  2. 67
  3. [math] 6.02 xx 10^23 [/math]
  4. [math] 1.2 xx 10^24 [/math]
Grade 11 Molecules and Compounds
Which of the following statements correctly explains why hydrogen bonding is such a strong intermolecular force?
  1. There is an attraction between a small, weakly electronegative hydrogen atom and a large, strongly electronegative atom of fluorine, nitrogen, or oxygen
  2. There is an attraction between a small, highly electronegative hydrogen atom and a large, highly electronegative fluorine atom
  3. There is an attraction between the hydrogen and oxygen atoms, only
  4. There is an attraction between the hydrogen and nitrogen atoms, only
Grade 11 Molecules and Compounds
The naming of chemical compounds is known as
  1. Hydrocarbons
  2. Molecular Compounds
  3. Diatomic Elements
  4. Chemical Nomenclature
Grade 11 Molecules and Compounds
A compound composed of carbon and hydrogen is called a(n)
  1. Diatomic Element
  2. ide
  3. Hydrocarbon
  4. Chemical Nomenclature
Grade 11 Molecules and Compounds
What is the correct nomenclature for the following compound?
[math]ClO_2[/math]
  1. Chlorine Oxide
  2. Chlorine Trioxide
  3. Chlorine Dioxide
  4. Dichlorine Oxide
Grade 11 Molecules and Compounds
What is the empirical formula of the compound whose molecular formula is [math]P_4O_10[/math]?
  1. PO
  2. [math]PO_2[/math]
  3. [math]P_2O_5[/math]
  4. [math]P_8O_20[/math]
Grade 11 Molecules and Compounds
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