Sodium, potassium, and rubidium are good

1. oxidizing agents.
2. reducing agents.
3. bases.

Go back and and look at your Cl2, Br2, I2 problem.

Sodium, potassium, and rubidium are good reducing agents.

To determine whether sodium, potassium, and rubidium are good oxidizing agents, reducing agents, or bases, we need to understand the properties of these elements and their behavior in chemical reactions.

1. Oxidizing agents: Oxidizing agents are substances that have a high tendency to gain electrons from other substances, causing them to be oxidized. In the case of sodium, potassium, and rubidium, they are all alkali metals, which means they have one valence electron in their outermost shell. These elements have a strong tendency to lose this valence electron to achieve a stable electronic configuration. Therefore, alkali metals like sodium, potassium, and rubidium are not good oxidizing agents since they have a low tendency to gain electrons.

2. Reducing agents: Reducing agents are substances that have a high tendency to lose electrons to other substances, causing them to be reduced. As mentioned earlier, alkali metals have a strong tendency to lose their valence electron, making them good reducing agents. Sodium, potassium, and rubidium can readily donate their valence electron to other elements or compounds, reducing them in the process. Hence, sodium, potassium, and rubidium are good reducing agents.

3. Bases: Bases are substances that can accept protons (H+ ions) or donate hydroxide ions (OH-) in a chemical reaction. Sodium, potassium, and rubidium, being alkali metals, readily form hydroxide ions (OH-) when reacted with water. For example, when sodium reacts with water, it forms sodium hydroxide (NaOH). Similarly, potassium reacts with water to produce potassium hydroxide (KOH), and rubidium reacts with water to produce rubidium hydroxide (RbOH). Therefore, sodium, potassium, and rubidium are considered strong bases.

In conclusion:
1. Sodium, potassium, and rubidium are not good oxidizing agents.
2. Sodium, potassium, and rubidium are good reducing agents.
3. Sodium, potassium, and rubidium are strong bases.

Bases