Inorganic Chem

the study of matter and the changes that matter undergoes

(a)  

the physical material of the universe; it is anything that has mass and occupies space.

• Matter

• Molecules

the almost infinitesimally small building blocks of matter.

• Atom

• Molecules

two or more atoms are joined together in specific shapes.

• Molecules

• Atom

(also known as vapor) has no fixed volume or shape; rather, it conforms to the volume and shape of its container.

• gas

• liquid

has a distinct volume independent of its container but has no specific shape. It assumes the shape of the portion of the container it occupies

• Liquid

• gas

has both a definite shape and a definite volume. Neither liquids nor solids can be compressed to any appreciable extent.

• solid

• liquid

is matter that has distinct properties and a composition that does not vary from sample to sample. Water and table salt (sodium chloride), the primary components of seawater, are examples of?

• pure substance

• solid

are substances that cannot be decomposed into simpler substances. On the molecular level, each ___ is composed of only one kind of atom.

• element

• gas

are substances composed of two or more elements; they contain two or more kinds of atoms. Water, for example, is a ___ composed of two elements: hydrogen and oxygen.

• compounds

• Elements