_____ is a liquid at room temperature. (`"Phosphorous"//"Bromine"`)

Explanation

To determine which element is a liquid at room temperature between Phosphorus and Bromine, we can follow these steps:

### Step 1: Identify the Elements
We have two elements to consider: Phosphorus and Bromine. Both of these are classified as non-metals.

### Step 2: Understand the States of Matter at Room Temperature
Room temperature is generally considered to be around 20-25°C (68-77°F). Elements can exist in three states: solid, liquid, or gas at this temperature.

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