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Ionisation energy is defined as the energy required to remove an electron from a gaseous atom or ion. As we descend down a periodic group we must think about how the atomic radius . As we descend the group t...

In Spanish, "conjunciones" are small words that join two sentences or two parts of a sentence together. When they join 2 sentences they are placed at the beginning of the second sentence. There are...

Pi radians is equal to 180 degrees . Radians are a unit of measurement for angles, just like degrees are, and pi is just the number of radians that makes up that angle. 180 divided by 3 is 60 so we get cot(6...

If the projectile is released at an angle, it will have 2 components: 1. horizontal component of motion and 2. vertical component Horizontally, the projectile is assumed to travel at a constant speed (ie 0 a...

The colour of light is determined by its wavelength. White light is made up of electromagnetic radiation (photons) that spans the range 400nm - 700nm, the visible part of the E.M. spectrum. When white light ...