Explore and learn Atomic & molecular structure, Bonds, Reactions, Solutions, Acids & bases

Is a nail rusting a chemical change?

Rust is a reddish-brown, flaky substance that forms on the surface of iron or steel

What colors are fire and how hot is a fire?

The color of fire is determined by its temperature. The hotter the fire, the

What is the pH level of distilled water?

The pH of distilled water is 7.0, which is neutral. However, distilled water can