Physical Science 1st Semester Review

Front

34 m = _____ mm

Back

34,000 mm

Front

Which of the following is an acceptable Lewis structure for CH₃Cl?

Back

Option A

Front

1,221 km = ________ m

Back

1,221,000 m

Front

Which of the following is the correct Lewis dot structure for the molecule fluorine (F₂)?

Back

Option B

Front

117 cm = _____ dm

Back

11.7 dm

Front

What is the definition of a Lewis structure?

Back

A Lewis structure is a diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons that may exist.

Front

What is the conversion factor from meters to millimeters?

Back

1 meter = 1,000 millimeters.

Front

How do you convert kilometers to meters?

Back

Multiply the number of kilometers by 1,000.

Front

What is the significance of Lewis dot structures in chemistry?

Back

They help visualize the arrangement of electrons in a molecule, which is crucial for understanding chemical bonding.

Front

What is the conversion factor from centimeters to decimeters?

Back

1 centimeter = 0.1 decimeters.