One More Final Review Quiz

In which of these cases is NO work done on the football?

• You lift a football off the ground.
• You raise a football over your head.
• You carry a football across a field.
• You push a football across the floor.

How do you determine the number of energy levels that an element has?

• By the group number
• By the period number
• By the mass number
• By the atomic number

When magnesium (Mg2+) and fluorine (F1-) combine in an ionic bond, the resulting formula will be

• Mg2F.
• MgF.
• Mg2F2.
• MgF2.

Aluminum foil has a shiny side and a dull side. Many experts believe that the shiny side of the aluminum foil should face the food when you are using it to cover the food. What process would explain the reason why the shiny side should face the food?

• conduction.
• insulation.
• convection.
• radiation.

Why do the air molecules inside a bicycle tire speed up as the temperature gets warmer?

• because the heat is transferred to the molecules and gives them more kinetic energy
• because the heat liberates the potential energy inside each molecule
• because the warmer air allows the particles to be free from gravitational forces
• because the warmer air is less dense and particles can move more

Any change of position is considered

• acceleration.
• motion.
• distance.
• velocity.

All the elements of a family in the periodic table have what feature in common?

• They all have similar chemical properties.
• They are all located in the same horizontal row or period.
• They all have the same number of protons in the nucleus.
• They all have the same number of electrons in the electron cloud.

What is the unit of measurement for Force?

• Kilogram
• Newton
• Meter
• Joule

Conduction occurs more easily between solids and liquids. This is because the particles in gases are

• farther apart and move faster.
• further apart and move more slowly.
• closer together and move faster.
• closer together and move more slowly.

What is a coefficient?

• The small number on the right of the chemical symbol.
• The large number in front of a chemical formula.
• The number in between the chemical symbols.
• The number behind a chemical formula.