Wikipedia Chemistry

What is the current model of atomic structure?

The quantum mechanical model

What do you call the transformation when the two sides of a chemical equation are unequal?

A nuclear reaction, or radioactive decay

What determines the type of chemical reactions a substance can undergo?

Chemical laws

What is the most fundamental concept in chemistry?

The law of conservation of mass

What laws elaborate on the law of conservation of mass?

The laws of stoichiometry

What are the three laws of stoichiometry?

The law of definite composition

The law of multiple proportions

The law of reciprocal proportions

What does the law of definite composition state?

Chemical components always contain elements in a fixed ratio

What does the law of multiple proportions state?

Chemicals in compounds are always in proportions of whole numbers

What does the law of reciprocal proportions relate?

The proportions in which elements combine

What is spectroscopy?

The study of the electromagnetic spectrum

What is chromatography?

A laboratory technique for the separation of a mixture into its components