A) 118 B) 109 C) 100 D) 86
A) Experimental measurements B) Estimated guesses C) Predictions from reliable sources D) Theoretical averages
A) Empty subshells B) Subshells filled to their maximum C) Valence electrons D) Unstable subshells
A) Total number of electrons B) Inner configurations that are the same in each period C) Valence configurations D) Outer shell boundaries
A) 1s2 B) 1s2 2s2 C) 1s1 D) 1s2 2s1
A) 36 B) 18 C) 10 D) 2
A) 1s2 2s2 2p6 3s2 B) 1s2 2s2 2p6 C) 1s2 2s2 2p4 D) 1s2
A) 18 B) 10 C) 54 D) 36
A) 1s2 2s2 2p6 3s2 3p6 4s2 B) 1s2 2s2 2p6 3s2 3p6 C) 1s2 2s2 2p6 D) 1s2 2s2 2p6 3s1
A) 54 B) 86 C) 18 D) 36
A) 4s2 3d10 4p6 B) 3d10 4s2 C) 4s2 4p6 D) 4s2 4p6 4d10
A) 54 B) 86 C) 36 D) 118
A) 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5s2 B) 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 5p6 C) 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 D) 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6
A) 54 B) 36 C) 86 D) 118
A) 6s2 4f14 5d10 6p6 B) 6s2 5d10 6p6 C) 5f14 6d10 7p6 D) 6s2 4f14 6p6
A) 118 B) 86 C) 54 D) 109
A) 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 B) 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d10 7p6 C) 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 7s2 5f14 6d10 7p6 D) 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 6p6 7s2
A) Neutral atoms in the gas phase B) Solid state metals C) Charged ions in aqueous solution D) Neutral atoms in chemical environments
A) Only for the s-block B) No C) Yes D) Only for noble gases
A) Only in the p-block B) In the d- and f-blocks C) Only in the s-block D) In the s- and p-blocks
A) Extremely crucial B) Quite irrelevant C) Highly reactive D) Totally unstable
A) These irregularities B) The Madelung rule C) Gas phase conditions D) The noble gases
A) Irregular d-block configurations B) Ideal electron configurations C) Chemical environment configurations D) Experimental gas-phase configurations
A) Due to electron spin pairing B) Due to the different energies of smaller and larger shells and subshells C) Due to nuclear charge limits D) Due to atomic mass differences
A) Pauli's exclusion principle B) The Aufbau principle C) Hund's rule D) The Madelung rule
A) Ha B) H C) Ne D) He
A) Na B) No C) Ne D) N
A) As B) Ag C) At D) Ar
A) Kr B) Ky C) Kn D) Ke
A) Xn B) Xe C) Sd D) X
A) Ro B) Rd C) Ra D) Rn
A) On B) Om C) Og D) Os
A) A wide range of energies B) Zero energy difference C) A small range of energies D) High excitation energy |