It's Elemental
Scientists
Laws & Formulas
Potpourri
100

Chemical symbols can be written in both English and this "dead" language.

What is Latin?

100

In the equation E = hf, the h stands for a constant named for this German physicist.

Who is Max Planck?

100

This states that in any chemical or physical process, the total mass of everything must remain the same.

What is the Law of Mass Conservation?

100

Including the correct number of these in your answers is important because they represent the precision of your measurements.

What are significant figures?

200

This subatomic unit is what determines which element an atom is, with the atomic number matching the number each element has.

What is a proton?

200

Even though there were some flaws in his four propositions, he is still considered the father of modern atomic theory.

Who is John Dalton?

200

To get a wave's frequency, divide this by a light's wavelength

What is the speed of light?

200

This device is used to measure liquids by looking at the bottom of the meniscus.

What is a graduated cylinder?

300

This element is represented by the symbol K

What is potassium?

300

Thomas Young is famous for this experiment that showed that light does behave as a wave.

What is double-slit?

300

I'm sure that this states that a given compound such as magnesium oxide will always have the same ratio of elements by mass.

What is the Law of Definite Proportions?

300

Shaped like dumbbells, there are three types of these available starting at the second energy level.

What are p orbitals?

400

When you add up the number of these two subatomic particles in an atom, you get its mass number.

What are protons and neutrons?

400

The standard metric unit for energy is this, named after the English physicist whose Christian faith guided his research.

What is Joule?

400

To get the mass of an object, perform this math operation with its density and volume.

What is multiply them?

400

1s22s22p63s23p2 for silicon is an example of an element's ground state this.

What is electron configuration?

500

This seventh element of the periodic table is found all through the air.

What is nitrogen?

500

This great Dane was anything but dull when he described atoms as moving in orbits such as n=1.

Who is Niels Bohr?

500

This states that when 2 elements combine to form 2 different compounds, a fixed amount of one combines with the other so that the ratio of the masses of the other element is a small whole number.

What is the Law of Multiple Proportions?

500

Visible light is only a small part of a larger spectrum called this.

What is the electromagnetic spectrum?