give me 5 example of compound and 5 example of elements
Answer (1)
5 Compounds 1. Calcium carbonate (CaCO₃)– Found in chalk, limestone, and shells. It's made of calcium, carbon, and oxygen.2. Methane (CH₄)– A gas used as fuel. Made of carbon and hydrogen. It’s also a greenhouse gas.3. Hydrochloric acid (HCl)– A strong acid found in the stomach that helps digest food. Made of hydrogen and chlorine.4. Sulfuric acid (H₂SO₄)– A highly corrosive acid used in batteries. It contains hydrogen, sulfur, and oxygen.5. Ethanol (C₂H₅OH)– A type of alcohol found in alcoholic drinks and used as fuel. Made of carbon, hydrogen, and oxygen. 5 Elements 1. Nitrogen (N)– A gas that makes up 78% of the Earth’s atmosphere. Essential for plants and living things.2. Sodium (Na)– A soft, silver metal. Reacts quickly with water. Found in table salt (as part of NaCl).3. Helium (He)– A light gas used in balloons. It doesn't burn or react easily, making it very safe.4. Zinc (Zn)– A metal used to coat other metals and prevent rusting (galvanizing).5. Aluminum (Al)– A lightweight metal used in cans, foil, airplanes, and many tools.
