Periodic Table

Front

What are ions?

Back

Ions are atoms with a positive or negative charge.

Front

Which group of elements occurs only as compounds in nature because they are extremely reactive?

Back

Group 1 elements (alkali metals) are extremely reactive and occur only as compounds in nature.

Front

What are cations?

Back

Cations are metals that form positive ions by losing electrons.

Front

Which element is a halogen?

Back

Chlorine is a halogen.

Front

What is each column in the periodic table called?

Back

Each column in the periodic table is called a group.

Front

What are anions?

Back

Anions are negatively charged ions formed by gaining electrons.

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What are noble gases?

Back

Noble gases are elements in group 18 that are inert and do not readily react with other elements.

Front

What is the difference between metals and nonmetals?

Back

Metals are typically shiny, conductive, and malleable, while nonmetals are dull, insulative, and brittle.