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In quantum and particle physics, quantities such as energy and momentum are extremely small and so it is logical to have a standard unit of energies at this scale. It saves time to write 1eV, as opposed t...

You use the genitive case to mark possession of something. It is a nice way to say that an object belongs to someone. There are some prepositions that trigger this case. In all cases you can use a simple ...

When we find dy/dx we find the gradient of the curve at (3,1). Start by differentiating the left hand side (LHS) like so.. (whiteboard). Remember every time we differentiate a y value we multiply by dy/dx...

Upon the death, retirement, resignation or impeachment of a US Supreme Court Justice, the President has the constitutional right to nominate a new justice. In doing so, they will consider ideological posi...

This is to do with the definition of a transition metal (TM). A TM is a metal which loses electrons to form an ion with an incomplete D subshell. Scandiums most stable ion is a Sc3+ ion losing both the el...