Question

Name five elements and five compounds that exist as gases at room temperature.

Short answer

Elements that exist as gases at room temperature are Hydrogen, Oxygen, Nitrogen, Fluorine, and Helium. Compounds that exist as gases at room temperature are Water Vapor, Carbon dioxide, Ammonia, Methane, and Chlorine gas.

Step-by-step solution

Understand elements and compounds

First, it's important to understand what elements and compounds are. Elements are substances that are made from one type of atom only. They cannot be broken down into simpler substances. Compounds, on the other hand, are substances made from two or more elements chemically combined together.

Identify elements that exist as gases at room temperature

Elements that exist as gases at room temperature include Hydrogen (H), Oxygen (O), Nitrogen (N), Fluorine (F) and Helium (He). These are all diatomic elements, meaning they naturally pair up with themselves to form two-atom molecules.

Identify compounds that exist as gases at room temperature

Examples of compounds that exist as gases at room temperature are Water Vapor (H2O), Carbon dioxide (CO2), Ammonia (NH3), Methane (CH4) and Chlorine gas (Cl2). These consist of different elements chemically combined together.