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College Bonds and Mixing Questions

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College Bonds and Mixing
In what way are ionic bonds different from covalent bonds?
  1. Ionic bonds are stronger than covalent bonds
  2. Ionic bonds are made between atoms with full outer electron shells and covalent bonds are made between atoms with unfilled outer shells
  3. Ionic bonds result from the give and take of electrons between atoms while covalent bonds result from the sharing of electrons.
  4. Ionic bonds result from the attraction between the protons of different atoms while covalent bonds result from the attraction between the electrons of different atoms.
  5. none of the above
College Bonds and Mixing
Under what conditions will an atom be least likely to form chemical bonds with other atoms?
  1. when the number of protons equals the number of neutrons.
  2. when the outer electron shell has one fewer electron than the maximum amount it can hold.
  3. when the number of protons equals the number of electrons.
  4. when there is only one electron in the outer electron shell.
  5. when the outer electron shell is full of electrons.
College Bonds and Mixing
Solutions that contain undissolved particles that are visible to the naked eye are know as:
  1. suspensions
  2. mixtures
  3. solutes
  4. molecules
College Bonds and Mixing
Miscible liquids are liquids that can be:
  1. never mixed together
  2. mixed into a stable solution
  3. transformed into a suspension
  4. combined without a solution
College Bonds and Mixing
Hydrogen bonds are:
  1. Non-polar
  2. Neutral
  3. Unattractive
  4. Polar
College Bonds and Mixing
Liquids that are not capable of being mixed are:
  1. solutes
  2. solvents
  3. inverted
  4. immiscible
College Bonds and Mixing
Ionic bonds are formed by electron sharing.
  1. True
  2. False
College Bonds and Mixing
Which statement about covalent bonds is correct?
  1. Electrons are either lost or gained by the atoms
  2. Molecular oxygen, [math]O_2[/math], has polar covalent bonds
  3. Covalent bonds involve the sharing of valence electrons
  4. Peptide bonds are an example
  5. Carbon can form many different structures because it is divalent
College Bonds and Mixing
In a single molecule of water, the two hydrogen atoms are bonded to a single oxygen atom by                        .
  1. hydrogen bonds
  2. nonpolar covalent bonds
  3. polar covalent bonds
  4. ionic bonds
  5. interactions
College Bonds and Mixing
Covalent bonds are formed by electron sharing.
  1. True
  2. False
College Bonds and Mixing
Hydrogen bonds have
  1. An unequal charge distribution
  2. An equal charge distribution
  3. A neutral charge distribution
  4. No charge
College Bonds and Mixing
Nitrogen gas is bound by a                 bond that is hard to break.
  1. double
  2. triple
  3. polar covalent
  4. nitrogen
College Bonds and Mixing
A blended mixture of two or more liquids or solids dissolved in a liquid is a(n):
  1. solution
  2. emulsion
  3. compound
  4. alkaline
College Bonds and Mixing
What type of molecules does water dissolve?
  1. nonpolar
  2. homonuclear diatomic
  3. polar
  4. none of the above
College Bonds and Mixing
A water strider is capable of walking on water as a result of water molecules'
  1. hydrogen bonding
  2. surface tension
  3. cohesive properties
  4. all of the above
  5. none of the above
College Bonds and Mixing
A dotted line between a hydrogen and oxygen atom in a diagram for water molecules can represent
  1. a covalent bond
  2. van der Waals forces
  3. an ionic bond
  4. hydrogen bonding
  5. nonpolar bonds
College Bonds and Mixing
                are substances that form charged particles when dissolved in water
  1. Molecules
  2. Electrolytes
  3. Cations
  4. Ions
  5. Anions
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