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15 Cards in this Set
- Front
- Back
The differentiating electrons for transition elements are what?
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d electrons
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The best way to estimate the boiling point of Pd is to average which two elements' boiling points?
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Ni and Pt
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Which of the following pairs of elements is the element with the lower boiling point listed first? Na,Cs; Te,Se; P,N; Ba,Sr; I,BR
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Ba,Sr
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In which of the following pairs is the first element expected to have a higher electronegativity than the second? O,P; Cs,Rb; I,Br; Al,P; Sb,As
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O,P
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A solid element has two valence electrons. That element must be what?
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an alkaline earth metal
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The number of electrons, protons and neutrons in argon-40 is what?
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18e, 18p, 22n
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Which of the following is least likely to have allotropes? S, P, H, Se, Sn
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H
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Which of the following is expected to have the largest third ionization energy? Be, B, C, N, Al
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Be
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Which pair of elements is expected to have the most similar properties? K,Li; S,P; Si,C; Sr,Ba; F,I
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Sr,Ba
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Most elements in the periodic table are what?
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metals
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How many protons neutrons, and electrons are in an atom of bromine?
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neutrons cannot be determined unless an isotope is specified
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Chemical properties of elements are defined by what?
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electrons
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The chemical symbol for antimony is what?
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Sb
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In which pair of elements is the larger atom listed first? K,Ca; Na,K; Cl,S; Mg,Na; O,N
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K,Ca
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Which of the following is least likely to be a metalloid? As, Hg, Ge, Si, Sb
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Hg
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