Chemistry After Winter Break Review 2021 Ch 1-4, 11 & 12

Front

What are Intensive Properties?

Back

Properties that do not change regardless of the amount of substance present, such as density and boiling point.

Front

What are Extensive Properties?

Back

Properties that change when the size of the sample changes, such as mass and volume.

Front

Classify Hot Tea: Compound, Element, Solution (Homogeneous Mixture), Colloid (Heterogeneous Mixture), or Suspension (Heterogeneous Solution)?

Back

Solution (Homogeneous Mixture)

Front

What is the significance of Significant Figures in calculations?

Back

They indicate the precision of a measurement and help in reporting results accurately.

Front

Calculate: 2.01g + 4.5g. What is the answer?

Back

6.5 g

Front

What is the symbol for Fluorine?

Back

F

Front

What is an Isotope?

Back

Atoms of the same element that have the same number of protons but different numbers of neutrons.

Front

How many neutrons does an isotope with 14 neutrons have?

Back

14 neutrons.

Front

What is a Homogeneous Mixture?

Back

A mixture that has a uniform composition throughout, such as saltwater.

Front

What is a Heterogeneous Mixture?

Back

A mixture that does not have a uniform composition, such as salad.