Nonmetal oxides are known as acidic oxides because they dissolve in water forming acidic solutions, we can use water to differentiate between calcium and zinc because calcium can react with cold water, while zinc...
Matter is anything that has a mass & occupies a space, Mass is the amount of matter that the body contains, The measuring unit of mass is gm or kg, Volume is the space...
The metals Metals are the elements that have less than four electrons in their outermost energy levels, During the chemical reactions, the atoms of the metallic elements tend to lose their outermost electrons, and...
