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