A hydrogen-like ion is an ion containing only one electron. The energies of the electron in a hydrogen-like ion are given by the

following equation where n is the principal quantum number and Z is the atomic number of the element. En = −(2.18 10-18 J)Z2 (1/n2) Calculate the ionization energy (in kJ/mol) of the He+ ion.

Chemistry

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Calculate the mass, in grams, of a single tellurium atom (mte = 127.60 amu ).

castortr0y [3046]

1 atomic mass unit (amu) represents the mass of an atom or is used to measure mass on an atomic scale. It is also referred to as a dalton, abbreviated as Da, while atomic mass unit is indicated as amu.

1 amu can be translated into grams as follows:

$1 amu = 1.6 * 10^-2^4 g$