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Many languages, for example Spanish, French, German and Russian give their nouns (naming words e.g. dog, table, grandmother) a gender. English is the exception here, so lucky us, but this does make it ...

Atoms of the same element possessing the same numbers of protons and electrons, but different numbers of neutrons in the nucleus.

As we go from Li to F, atomic radius of the atoms will DECREASE. This is due to increased nuclear charge (number of protons within each atom). Although the number of electrons also increases, each addi...

The key point to recognise here is that an object undergoing a circular orbit around the Earth is undergoing circular motion. Circular motion is caused by a centripetal force (acting towards the centre...

The Cursus Honorum

The Cursus Honorum or “course of offices” was the “greasy pole” of the Roman political world. It was designed for men of senatorial rank. It sp...