Concept explainers
Three atoms have the following electron configurations:
(a)
(b)
(c)
Which of the three has the largest
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- How many unpaired electrons are there 111 the following ions? (a) V3+(b) Sn4+(c) I-(d) W4+arrow_forwardWhat neutral atoms are isoelectronic with the following ions? (a) Pb4+ (b) Br (c) S2 (d) Ni3+arrow_forwardThe deep blue color of sapphires comes from the presence of Fe2+ and Ti4+ in solid Al2O3. Using spdf notation with the noble gas notation, write the electron configuration for each of these ions.arrow_forward
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- Answer the questions below about the elements A and B, which haw the electron configurations shown. A = [Kr]5s1 B =[Ar]3d104s24p4 (a) Is element A a metal, nonmetal, or metalloid? (b) Which element has the greater ionization energy? (c) Which element has the less negative electron attachment enthalpy? (d) Which element has the larger atomic radius? (e) What is the formula for a compound formed between A and B?arrow_forwardMatch each element on the right with a set of characteristics on the left. a A reactive, pale yellow gas; the atom has a large electron affinity b A soft metal that reacts with water to produce hydrogen c A metal that forms an oxide of formula R2O3 d A colorless gas; the atom has a moderately large negative electron affinity Oxygen (O2) Gallium (Ga) Barium (Ba) Fluorine (F2)arrow_forward
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