Atoms Vocabulary 2

Front

What are Alkali Metals?

Back

Soft, shiny metals with low melting points that react violently with air and moisture. They belong to Group 1 on the periodic table.

Front

What are Noble Gases?

Back

Odorless, colorless, monatomic gases with very low chemical reactivity, found in column 18 on the periodic table.

Front

What is a Period in the context of the periodic table?

Back

A row of chemical elements in the periodic table. There are seven total periods.

Front

What is a Periodic Family?

Back

Groups of elements on the periodic table that have similar properties, such as Halogens and Noble Gases.

Front

What is a Valence Electron?

Back

An electron in the outermost region of an atom that participates in the formation of chemical bonds.

Front

What are Halogens?

Back

Elements found in Group 17 of the periodic table, known for their reactivity and tendency to form salts.

Front

What is the Octet Rule?

Back

A chemical rule that reflects the tendency of atoms to prefer to have eight electrons in their valence shell.

Front

What is a Chemical Bond?

Back

An attraction between atoms that allows the formation of chemical substances. Bonds can be ionic or covalent.

Front

What is an Element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means, consisting of atoms with the same number of protons.

Front

What is the significance of the Periodic Table?

Back

It organizes all known elements based on their atomic number, electron configuration, and recurring chemical properties.