Do you ever stop to think about the motion of everyday objects, like a ball rolling down a ramp or a car accelerating on the highway? Motion is all around us, but have you ever wondered how it works and why it matters? In this bl…

Periodic Table A table of elements obtained by arranging them in order of their increasing atomic number in which elements having similar properties are placed in the same group is called Periodic Table. Group The vertical…

Some metals are very unreactive. This means they do not easily take part in chemical reactions. For example, platinum does not react with oxygen in the air, even if it is heated in a Bunsen burner flame. Some metals are very re…