Fall Semester Exam Review 2024

Front

What is a Quantitative Observation?

Back

An observation that involves numbers and measurements, such as '3.5 cm'. It is used to quantify data.

Front

What should you do if you break glassware in the lab?

Back

You should tell the teacher immediately.

Front

What does Precision refer to in measurements?

Back

Precision is a measure of how close measurements are to each other when made in the same way.

Front

What are Intensive Properties?

Back

Properties that do not depend on the amount of matter in a sample, such as boiling point and density.

Front

What is the boiling point of water?

Back

100°C, which is an example of an intensive property.

Front

What is a Trigonal Pyramid in molecular geometry?

Back

A molecular shape where a central atom is bonded to three other atoms and has one lone pair, resembling a pyramid.

Front

What is a Qualitative Observation?

Back

An observation that describes qualities or characteristics without using numbers, such as color or texture.

Front

What is the difference between Accuracy and Precision?

Back

Accuracy refers to how close a measurement is to the true value, while precision refers to how consistent repeated measurements are.

Front

What are Extensive Properties?

Back

Properties that depend on the amount of matter in a sample, such as mass and volume.

Front

What is a Lewis Dot Structure?

Back

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