To determine the period number of Rb, we need to refer to the periodic table. Rb is the chemical symbol for the element rubidium.

Step 1: Locate the element rubidium (Rb) on the periodic table.

Step 2: Identify the row or period in which rubidium is located.

Step 3: Count the number of rows from the top of the periodic table to the row where rubidium is found.

Step 4: The number of rows counted corresponds to the period number of rubidium.

Therefore, the period number of Rb (rubidium) is 5.

Question

To determine the period number of Rb, we need to refer to the periodic table. Rb is the chemical symbol for the element rubidium.

Step 1: Locate the element rubidium (Rb) on the periodic table.

Step 2: Identify the row or period in which rubidium is located.

Step 3: Count the number of rows from the top of the periodic table to the row where rubidium is found.

Step 4: The number of rows counted corresponds to the period number of rubidium.

Therefore, the period number of Rb (rubidium) is 5.

Knowee AI · Accepted Answer

To determine the period number of Rb, we need to refer to the periodic table. Rb is the chemical symbol for the element rubidium.

Step 1: Locate the element rubidium (Rb) on the periodic table.

Step 2: Identify the row or period in which rubidium is located.

Step 3: Count the number of rows from the top of the periodic table to the row where rubidium is found.

Step 4: The number of rows counted corresponds to the period number of rubidium.

Therefore, the period number of Rb (rubidium) is 5.

What is the period number of Rb