Review for Chemistry Fall Final

Front

In which scenario is a physical change taking place?

Back

Liquid water turns to a vapor at 100°C.

Front

In which of the following scenarios is a chemical change taking place?

• Gas is produced when sodium mixes with water.
• Sugar dissolves when poured into tea.
• Liquid water turns to a vapor at 100°C.
• Quartz crystal fractures when struck.

Back

Gas is produced when sodium mixes with water.

Front

A state of matter that has a definite volume and shape.

Back

solid

Front

Example of intensive property: volume, density, length, mass

Back

density

Front

Example of an extensive property: weight, density, concentration, temperature

Back

weight

Front

What is the picture displayed? Options: atom, element, molecule, compound

Back

compound

Front

Which of these is a pure substance? bread, sodium chloride, garden soil, sea water

Back

sodium chloride

Front

Which of these is a mixture? Salt water, Distilled water, A nugget of gold, A molecule of Oxygen

Back

Salt water

Front

Which sequence corresponds to a correct trend in ionization energy? Options: Cl > S > P > Al, Sr > Ca > Mg > Be, Rb > K > Na > Li, Rb > Sr > I > Xe

Back

Cl > S > P > Al

Front

Which of these is most electronegative? aluminum, oxygen, sulfur, neon

Back

oxygen