Heat is a form of energy that transfers from the higher temperature object to the lower temperature object, and is transferred through conduction, convection and radiation. Anything that produces warmth is referred to as...
Types of the compounds There are a countless number of existing compounds, they can be classified according to their properties only into the acids, the bases (alkalis), the oxides and the salts.
The weight The reason of object’s falling downward the Earth is a type of force called the weight (the gravitational force), and you can feel this force when you carry an object or try...
The valency is the number of electrons that an atom gains, loses, or even shares during a chemical reaction, The valency is the number of electrons that an atom needs to gain or lose...