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Ionisation energy is the energy required for one mole of gaseous atoms to lose one mole of electrons, hence forming one mole of gaseous ions.The ionisation energies for elements increases across the perio...

The nos form of 'jugar' is spelt 'jugamos' and not 'juegamos' because it is a radical changing verb. This means that the stem of the verb does not stay the same as it would with regular verbs, such as com...

To answer this question, we need to know the relative number of atoms of each element present. This can be calculated by dividing the amount of an element present in the sample by the relative masses of t...

Unfortunately, there is no real translation for the 吧 in Mandarin. It is used at the end of the sentence to emphasize exclamation. It can be used after a verb to express an order. It is usually used verba...

There are four main non-specific defence systems, all of which are immediate and the same for all pathogens (hence 'non-specific).1) skin: it acts as a primary defence mechanism as the dry, dead cells on ...