For example, magnesium oxide is made up of two elements, magnesium and oxygen. Its formula is MgO. This shows that it has one atom of magnesium for every one atom of oxygen.

Sugar is one of the most common ingredients used in our daily life. Known for its sweet taste and energy-inducing properties, sugar is an instant hit for making teas and energy drinks. In chemistry, ...

A lead-acid battery is a type of rechargeable battery, invented in 1859. It uses lead plates (electrodes) submerged in battery acid, which we learn further in this article. This battery acid is known ...