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What is 1 + 3?
Is Zn diamagnetic or paramagnetic?
Which has the largest radius:K Ca Rb Sr
Which has the smallest radius:Mg Mg + Mg 2+ Mg 3+
Which has the largest radius:N N - N 2- N 3-
Which has the largest 1st ionization energy:In Al S Te
Which has the smallest 1st ionization energy:O F S Cl
Which has the largest 2nd ionization energy:K Ca Sc Ti
Which is a metalloid:Al Si P S
Which is a noble gas:H He Li Be
Which is an alkali metal:Cl Ar K Ca
Which is an alkaline earth:Br Kr Rb Sr
Which is a halogen:C P Se I
Which has the smallest radius:O F S Cl
Which of the following scientists first postulated that the sharp lines in the emission spectra of elements were caused by electrons going from high energy levels to low energy levels?
Which quantum number describes the orientation in space of an orbital?
M L (subscript L)
The pauli exclusion principle requires that...
No two electrons in the same atom can have the same set of four quantum numbers.