Which of the atomic particles hasz-kwi/0yfqcd( a( ij1 the least mass?

  The mass of an atom isp0pg gq-jl-xs wp g(.-

  The hydrogen nucleus consists of.n3zu)go.rgn l3xf, 2ix2 gws, xua f*

  An atom's atomic number is d37sh7u xf- muretermined by the number of

  An atom's mass number is determined by the z n.q,l 1hpkyly *.ap4number of

  If an atom's atomic number is given by Z, its atomic mass by A, afivs a,te*3k -.h waf3nd its neutron number by N, which of ti3 v 3atkhf*sfw-,.eahe following is correct?

  When a neutron is emitted from an unstablexg fjiw;uf1 :kfw;,r8r..m dl nucleus, the atomic mass number of the nucl:.fmg1w. ;fif xkrwljd,ru 8 ;eus

  The number of protons in an atw*ozd3qubg i kmwf .*b1w7.0com is

  There is a limit to the 3w*fsttinf.u7(40xhih j p (g size of a stable nucleus because of

  Atoms with the same /yt (b.lwnz //hk5pduatomic number but with different numbers of neutrons are referred to a ub/dy.klh5t/(pzw/ ns

  Isotopes of an element have nuclei witln6isv 2iy5.oua6a (u h

  The atomic mass unit is define/l v-wte n zcqmnb244:m;,tejd as

  Compared to the masses of its separaa31kb1; jxlf 9oiqy( fte protons and neutrons, the total mass of a stable nuc xil1k fayj fqo1b;39(leus is always

  When nucleons join t8q,:hx48 7cii;ep rru 4 dttr ,h*unbro form a stable nucleus, energy is

  The binding energy of a nucl nk h rta/xv1l0gedp+g. 6jaet+)d,9deus is contributed to

  The binding energy per nucleoncl,i)b a5+5co9kk*jfcja d ca8 p dc-1 is

  The binding energy per nuclevt 5fb ;3o.oyoon

  Which of the following statements concerning the nuclear force isuu4scr 2 n(usj,b 8hc2 false?

  Compared to the electrostatic force, the nuclear force between adjacel5eu+yibo t +o*36 byunt protons in 5bi+u b ooule+ty3*6y a nucleus is

  Alpha rays can penetrateh cawd,y.u3 f.

  Beta rays can penetrata73, 5ddg kr i-xu)w i-jsyr/w njqk/8e

  Gamma rays can penet 0uqe79ecp c 8w,3o/jiwq/u y)zg ie.crate

  An a particle is also knoj6ae svv )4 8tunp*j osy9:;ggwn as

  A $b-$ particle is also known as

  A $b+$ particle is also known as

  A gamma ray is also knu: w9m 1ecrgh6,k31wq:jv y evown as

  An alpha particle will cfha+; ehnz6m/:plq; 8:cb rhbe attracted to a

  Alpha particles have an atomic mass equkxs;ng09c g6 r;1pxvas 11mt nal to

  When an alpha particle is emitted from an unstable nucleus, th1r w.dg/w rjj,mn1e*k 1j9l )yqka6s5qi mao, e atomic mass number owy k9,q 1oelig6wraj1mk.sn)r*jj51/ dq a ,mf the nucleus

  When an alpha particle is e*gxns:enu h 32mitted from an unstable nucleus, the atomic number ofsen:n *x32hgu the nucleus

  The expression (MX - MY -hc km4:b;boc3 oni( )m2yxu-gh(sd ,a Ma) x 931.5 represents

  In beta decay

  During $b+$ decay

  During $b-$ decay

  When a $b+$ particle is emitted from an unstable nucleus, the atomic number of the nucleus

  When a $b-$ particle is emitted from an unstable nucleus, the atomic number of the nucleus

  When a $b-$ particle is emitted from an unstable nucleus, the atomic mass number of the nucleus

  Which of the following is most nearly the same as a ga- jacqpqm, /s041o yzemma ray?

  When a gamma ray is emitted frbec2:ag2jo6 q om an unstable nucleus,

  Which particle has the most5wko6j6lug7qr74r ny ks6xq2 mass?

  In all three types of radioactive decay, what value is conserved z9f yii+um*)wwe 9n8c uy s6f;nxv(g0in addition to yzw nvgf98fiy0( s+ce *);i unw69xmuelectric charge, energy, and momentum?

  What happens to the hpt-9)1 d .owdivrg/vt+ vv*dcalf-life of a radioactive substance as it decays?

  In radioactive dating, carbonwb40m q:ga fq: v0ntm qba4a2+-14 is often used. This nucleus emits a single beta particle when it decb4:a2ft0 4m qq0mn qbaa:+wvgays. When this happens, the resulting nucleus is

  The type of detector that uses a magnetic field to curve charged+3z c zwn;thwwsju0)5 9gz8dz particles is a

  The type of detector that uses liquid hydrogen lt 6(hvw(xsm 9-,k/pdj)s71 bx nkj yxis a

  Cloud chambers have been replaced by iuhn2: :h) hg6w p.y/qw(koai bubble chambers because

  An element with atomic mass numbe; ubk8l9 eatr1r of 14 and atomic number 6 has how many protons?189a;ek brlu t

  An element with atomic mass number of 14 and atomic number 6 hc*v5ud+ k lno(8gim 6qas how many neutro+ k8q6gmuon c*d 5vl(ins?

  The atomic number and mass number for calcim:xhj7z f hhp:j8p7 4u ck62hxum 39 are 20 and 39, respectively. How man hp8x74 f:kxz2:m7h jhuh6 jpcy nucleons are in one atom?

  The atomic number and mass number for c(rv h7u 0p3bg5qvxb er5iy p8 .q3znw+alcium 39 are 20 and 39, respectively. Hqriv0 phwb55(3x7bu8q 3g yepzr+n v. ow many electrons are in one atom?

  The atomic number and mass numbqfq0* 2t/*k41 ik+qcus) jqg5pkv dfber for calcium 39 are 20 and 39, respectively. How many protons are ink4ikj+dc sqp0u f1f2k*t) *q/qg5bqv one atom?

  The atomic number and mass number for calcium ha, h-f6)am au39 are 20 and 39, respectively. How manu, aa6 ham-hf)y neutrons are in one atom?

  In a 93 Nb nucleus, the number of protons, neutrons, and eleac 2t8d.en6uzyxff57g;z 2eyctrons is 41

  How many protons are there in the carbon-14 9.tj ecybb :k+ktg 5w1nucleus?

  If an element of atomic number 15 has an isotope o ;c gx,gteaa6)f mass number 32,

  Calculate the bindinx76jdd*h 1yot 8siwcuu: )/kqax9 m6cg energy of $^4He$.

  How much energy is required to remove one proton fro o2ssm.)8 )f81;do cgxvokzqkm $^9Be$?

  An element with atomic number 88 goes through alpha decay. Its atomqw.)vw cl()inic number is nnvl w.)cw (q)iow

  An atom has 98 protons and 249 nucleons. If it undergoes alpha decay, what hgm*5 ;+mnwhho:lm(d are the number of protons and neutrons, resh(n+mw:;m m hhol5dg*pectively, in the daughter nucleus?

  A carbon-14 nucleus decays to a nitrogen-14 nucleus by be1rl whad3b6; r/pv:myta decay. How much energy (in MeV) is yvh/b;lp:dmw1 rr6a3 released if carbon-14 has a mass of 14.003242 u and nitrogen-14 has a mass of 14.003074 u?

  An element with atomic number 6 3adq*ikat 4d5undergoes $b-$ decay. Its atomic number is now

  If the half-life of a material is 45 years, how much will be left afv4;v(j 4qfsij ter 100 yearvj(s44jqfi v; s?

  If $4.0 \times 10^{18} \; atoms$ decay with a half-life of 2.3 years, how many are remaining after 3.7 years?

  What is the probability that an atom will decay this year if its ho- *3kqlw,7z)/m yxhavt srg1alf-life is 247 year t3w)mhog, x7/-ka vl1r*ysqz s?

  A Thallium source was certg1f(m krir:u4g 9 jo8cified at $10 \; \mu Ci$ ten years ago. What is its activity now if the half-life is 3.7 years?

  A radioactive sample has a half-life of p72kh nd;- dpc10 min. What fraction of the sample is left after 40 mindp-2n;7k hpcd ?

  The half-life of radioactive iodine-137 i rlp7q/ q)79+m+ngkm3cldt kyett, pd:3 bmy- s 8.0 days. How many iodine nuclei are necessary to produce an activity g+l9bmqrdpdkp-nc) e mtqmyyt3 k:3lt7 +,7/of $1.0 \; \mu Ci$?

  A radioactive substance with a half- - ah/z zjl: +4l5ddxy3nulne.life of 3.0 days has an initial activity of -l3.5 xauy:zdez+j4l/nl d nh$0.24 \; Ci$. What is its activity after 6.0 days?

  The radioactivity due to carbon-14 measurerwx*s /dl2cy6t km;p- d in a piece of a wooden casket from an ancient burial site was found to produce 20 counts per minute from a given sample, whereas the same amount of carbon from a piece of living wood produced 160 counts per minute. The half-life of carbon-14, a beta emitter, is 5730 years. y r -dt*m l26wsxkc/;pThus we would estimate the age of the artifact to be about

  How long would it ta ocsfa/:b o+owr:j)4f +hx5 duke $4.0 \times 10^{20} \; atoms$ to decay to $1.0 \times 10^{19} \; atoms$ if their half-life was 14.7 years?

  How long will it take p, j 2ncw:.cpba $4.5 \; Ci$ sample of material to reach an activity level of $0.14 \; Ci$ if the half-life is 435 years?