26 STEP 2. Determine Your Test Readiness
Chapter 17
81.When^22688 Ra decays, it emits 2 αparticles, then a
βparticle, followed by an α particle. The result-
ing nucleus is:
(A)^21283 Bi
(B)^22286 Rn
(C)^21482 Pb
(D)^21483 Bi
(E)^21285 At82.Which of the following lists the types of radiation
in the correct order of increasing penetrating power?
(A) α, γ, β
(B) β, α, γ
(C) α, β, γ
(D) β, γ, α
(E) γ, β, α83.What is the missing product in the following
nuclear reaction?
(^23692) U → 410 n+ (^13653) I + ___
(A)^9939 Y
(B)^9638 S
(C)^9639 Y
(D)^9840 Zr
(E)^9841 Nb
84.If 75% of a sample of pure^31 H decays in 24.6 yr,
what is the half-life of^31 H?
(A) 24.6 yr
(B) 18.4 yr
(C) 12.3 yr
(D) 6.15 yr
(E) 3.07 yr
Chapter 18
85.Alkenes are hydrocarbons with the general for-
mula CnH2n. If a 1.40-g sample of any alkene is
combusted in excess oxygen, how many moles of
water will form?
(A) 0.2
(B) 0.1
(C) 1.5
(D) 0.7
(E) 0.05
86.What type of compound is shown below?
(A) an alcohol
(B) an aldehyde
(C) a ketone
(D) an ester
(E) an alkane
Chapter 19
Questions on this chapter are incorporated into
the chapters concerning the specific experiments.
O
H C CH CH
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