Chemistry 1

The nature of science

100

This is an inquiry which pretends to be based on facts, observations, and data, but is based on lies and quackery.

What is pseudoscience?

200

The following statement is an example of this kind of inquiry.

Astronauts tested the moon's composition and determined it was made of blue cheese.

What is pseudoscience?

300

The following statement is an example of this kind of inquiry.

People have a sense of right and wrong; this suggests that there is some higher power which determines morality.

What is philosophy? (What is religion?)

400

The following statement is an example of this kind of inquiry.

Cancer grows in peoples' bodies due to uncontrolled cell division, or mitosis. This has been observed under a microscope in cell cultures.

What is science?

500

This is the bedrock of scientific investigation.

What is observation?

Density and measure

100

This is the formula for measuring density.

What is mass divided by volume?

200

The density of a glass of milk has a volume of 100. mL and a mass of 110. grams. 

What is 1.10 g/mL?

300

This is a measure of the amount of matter in something, as opposed to the pull of gravity on the object.

What is mass? (NOT weight)

400

How many digits we estimate when measuring

What is 1?

500

The percent error if the budget (experimental) value was $55 and the amount spent (true) was $60.71

9.%

Unit conversions, significant figures, and scientific notation

100

5.00 x 10¹⁵ has this many significant figures.

What is 3?

200

9.8 x 10³ - 2.1 x 10³

What is 7.7 x 10³?

300

The smallest number on this list

9.11

9.11 x 10¹⁰

1.00000 x 10¹¹

987

9.8 x 10^-3

What is 9.8 x 10^-3?

400

The number of significant figures in the solution to this problem.

6.78-10.

What is 1?

500

The error range for the following set of measurements for the mass of a whale.

6,600. lbs

8,000. lbs

7,500. lbs

7200 lbs

What is 7300 +/- 1400 lbs?

Atoms and their properties

100

The fundamental unit of matter composed of protons, neutrons, and electrons. 

What is an atom?

200

The smallest component of an atom, with a mass of about 9 x 10^-31

What is an electron?

300

The mysterious component that makes up protons and neutrons and interacts to create their mass.

What is a quark?

400

The total number of electrons that can go in the 3rd energy level 

What is 18?

500

Electrons have this nature which means their true position can never be known.

What is particle-wave?

The periodic table

100

This group has one valence electron and is extremely reactive.

What are the alkali metals?

200

The number of valence electrons in arsenic.

What is 5?

300

The group which contains uranium and is accessing the 5f orbital.

What is the actinides?

400

This man came up with the idea for the modern periodic table of the elements.

Who is Dmitri Mendeleev?

500

The periodic table sorts elements according to this quality.

What is the number of protons? (What is the atomic number)?