BIO CH 6 Test Review

An unequal distribution of charges makes a molecule__________, just like a magnet.

• Bipolar

• Dipolar

• Polar

• Unpolar

Italian dressing settles out, or becomes separated because it is a ____ mixture.

• Homogeneous

• Heterogeneous

• Simple

• Complex

Substances that release hydrogen ions when dissolved in water are called____.

• Ions

• Atoms

• Acids

• Bases

A weak interaction between a hydrogen atom and a fluorine, oxygen, or nitrogen atom is called a/an ___.

• Oxygen Bond

• Covalent Bond

• Hydrogen Bond

• Ionic Bond

In the powdered lemonade and water solution, the water would be considered as the______.

• Dilute

• Solution

• Solute

• Solvent

Which substance has at least one ionic bond?

• H₂0

• CH₄

• NaCl

• O₂

Which defines an atom?

• Building blocks of energy

• Building blocks of matter

• Building blocks of animals.

• Smallest particle

One isotope of carbon differs from another in which way?

• Atomic Number

• Number of neutrons

• Number of electrons

• Number of Protons

What type of compound is made up of atoms held together by covalent bonds?

• Ion

• Molecule

• Isotope

• Element

On the periodic table it looks like there is a stair step because of how elements are classified, everything to the right of the stair step are ___________.

• Gases

• Metals

• Nonmetals

• Liquids