Greek philosopher and scientist Aristotle believed that the motion of a body is caused by something external and even to stop that motion,... View Article
We have already seen that two matrices are equal when they are of the same order and their corresponding elements are equal. That is, if P =... View Article
When you throw a ball up into the air, why doesn’t it fly through the atmosphere and escape into outer space? This is because gravity pulls it... View Article
Atmosphere surrounds the earth’s surface, it is of different thicknesses at different heights. There are five layers of the atmosphere with each... View Article
Plants are able to produce their own food through a process called photosynthesis. They absorb nutrients through their roots from the soil and is... View Article
Sodium bicarbonate, also known as baking soda or bicarbonate of soda, is a chemical compound with the formula NaHCO3 and the IUPAC designation... View Article
Hydrogen is the first element of the periodic table as its atomic number is one, which means it has only one electron in its atom and thus only... View Article
Everything in the universe tries to attain stability by lowering its energy. This can be achieved by various physical and chemical processes. All... View Article
Ionic radii, what is it? Let’s figure out what we mean by ionic radii and their variation in groups and periods of the periodic table (modern... View Article
The discovery of subatomic particles provided a lot of information about the properties of the chemical elements and their isotopes. Moseley gave... View Article