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The melting point of the above elements/compounds is based on their bonding. Sodium Bromide has ionic bonding (a very strong type of bonding), which involves an electrostatic force of attraction between p...

Let f(x)=y: y = e^(x²+4); To find the inverse of a function, you need to find x in terms of y. In this case, you need to bring the exponent to the base. So in order to bring x²+4 fro...

Nitrogen makes 3 covalent bonds. It is in the second period of the periodic table and so has its outer electron in the second shell/energy level. This shell requires eight electrons in order to be filled....

We see two numbers given for the description of an atom on the periodic, one larger than the other. The larger number is in reference to the atomic mass of the atom, which is the sum of the number of prot...

They are the plural form of 'You', which would be 'You all' in English, so both of them have the same meaning.In Spain two forms are used because sometimes we want to show a certain degree of respect or p...