Elements
Bonds
Reactions
Laws
Breaking Bad
100

This noble gas, represented by the chemical symbol "Kr," is often used in lasers for its ability to produce intense light.

What is krypton?

100

In this type of chemical bond, atoms share electrons.

What is a covalent bond?

100

This type of chemical reaction involves the combination of two or more substances to form a new compound.

What is a synthesis reaction?

100

This law states that in a chemical reaction, mass is neither created nor destroyed 

What is the law of conservation of mass?
100

100

100

200

This element, with the chemical symbol "Hg," is also known as quicksilver and is a liquid at room temperature.

What is mercury?

200

This type of bond involves the attraction between a partially positive hydrogen atom and a partially negative atom in another molecule.

What is a hydrogen bond?

200

This term describes a chemical reaction in which heat is released to the surroundings.

What is an exothermic reaction?

200

This law of chemistry states that equal volumes of gases, at the same temperature and pressure, contain an equal number of molecules.

What is Avogadro's Law?

200

200

200

300

Named after a Norse goddess, this radioactive element, with the symbol "Fr," is extremely rare and highly reactive, often requiring specialized handling.

What is francium?

300

Atoms within a metal lattice are held together by this type of bond.

What is a metallic bond?

300

This type of reaction involves a single compound breaking down into two or more simpler substances when heated.

What is a decomposition reaction?

300

Named after an English scientist, this law states that the total pressure of a gas mixture is the sum of the partial pressures of its individual gases.

What is Dalton's Law of Partial Pressures?

300

300

300

400

This element, with the chemical symbol "Os," is one of the densest elements known and is primarily used in the production of fountain pen tips.

What is osmium?

400

A martini, shaken not stirred.

What is James Bond?

400

In organic chemistry, this type of reaction involves the loss of water from the reacting molecule or ion 

Dehydration reaction

400

This law, named after a Scottish chemist, describes the relationship between the volume and the pressure of a gas at a constant temperature.

What is Boyle's Law?

400

400

400

500

This element, discovered by Pierre and Marie Curie, is named after the Polish-born scientist's home country and is often used in radiation therapy.

What is polonium?

500

This type of bond results from the overlap of p orbitals perpendicular to the internuclear axis and is often found in conjugated systems of double bonds and aromatic compounds.

What is a pi bond?


500

When the immune system responds to a harmless substance like pollen or certain foods by releasing histamines

What is an allergic reaction?

500

In the TV series "The Big Bang Theory," Sheldon Cooper references this law, which describes the behavior of ideal gases

What is the Ideal Gas Law (or the Combined Gas Law)?

500

500

500