Suppose you take a trip to a distant universe and find that the periodic table t

Question

Suppose you take a trip to a distant universe and find that the periodic table there is derived from an arrangement of quantum numbers different from the one on Earth. The rules in that universe are: 1. principal quantum number n = 1, 2,.. . (as on Earth): 2. angular momentum quantum number ( = 0, 1, 2 n - 1 (as on Earth); 3, magnetic quantum number m. = 0, 1, 2,. . . , t (only positive integers up to and including t are allowed); 4. spin quantum number m5 = -1, 0,+1 (that is, three allowed values or spin). (a) Assuming that the Pauli exclusion principle remains valid in the distant universe, what is the maximum number of electrons that can populate a given orbital there? Number (b) Write the electronic confl9uration of the element with atomic number 8 in the periodic table. Formatting: superscript numbers where appropriate but omit parentheses. (C) What is the atomic number of the second noble gas? Number

Explanation / Answer

a *** the orbital is defined by n,L, mL.. so you could have (n, L, mL, -1), (n, L,mL, 0) and (n,L,mL, +1)... ie... 3 electrons for any given orbital *** b *** in (n,L,mL,ms) format,, the first 12 elements would look like this (1, 0, 0, +1) (1, 0, 0, 0) (1, 0, 0, -1) (2, 0, 0, +1) (2, 0, 0, 0) (2, 0, 0, -1) (2, 1, 0, +1) (2, 1, 1, +1).. .. .. ..

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