Cations and Anions

Front

What are cations?

Back

Cations are positively charged ions that are formed when an atom loses one or more electrons.

Front

What are anions?

Back

Anions are negatively charged ions that are formed when an atom gains one or more electrons.

Front

What is the charge of O^2-?

Back

O^2- has a negative charge of 2, indicating it is an anion.

Front

What is the significance of the 'stair-step' line on the Periodic Table?

Back

The 'stair-step' line on the Periodic Table divides metals and nonmetals, with metalloids located along this line.

Front

Where is beryllium located on the Periodic Table?

Back

Beryllium is located in Group 2, Period 2 of the Periodic Table.

Front

What is the chemical symbol for sulfur?

Back

The chemical symbol for sulfur is S.

Front

How do you determine if an element is a metal or nonmetal?

Back

Elements to the left of the 'stair-step' line are metals, while those to the right are nonmetals.

Front

What happens to the number of protons when an atom becomes a cation?

Back

The number of protons remains the same; only the number of electrons decreases.

Front

What is the overall charge of a cation?

Back

A cation has an overall positive charge.

Front

What is the overall charge of an anion?

Back

An anion has an overall negative charge.