Fall Chemistry Exam review

Front

What is the wavelength range of visible light?

Back

400 – 700 nm

Front

How is 8,900 g represented in scientific notation?

Back

8.9 x 10^3

Front

What does the equation Force = mass x acceleration represent?

Back

A scientific Law

Front

How many significant figures are in the number 5400?

Back

2

Front

Which state of matter is fluid but not compressible?

Back

Liquid

Front

What is the definition of a scientific Law?

Back

A statement based on repeated experimental observations that describes an aspect of the world.

Front

What is the definition of significant figures?

Back

Digits in a number that contribute to its precision.

Front

What is the formula for calculating density?

Back

Density = mass/volume

Front

What is the difference between a hypothesis and a theory?

Back

A hypothesis is a testable prediction, while a theory is a well-substantiated explanation.

Front

What is the unit of force in the SI system?

Back

Newton (N)