- Question 7 4 Points Save Answer 78 Hr After Exposure The Activity Of An Fa 244 Sample Is 4 5 Nci If Fa 244 Has A Half L 1 (30.82 KiB) Viewed 38 times
- Question 7 4 Points Save Answer 78 Hr After Exposure The Activity Of An Fa 244 Sample Is 4 5 Nci If Fa 244 Has A Half L 2 (94.31 KiB) Viewed 38 times
QUESTION 7 4 points Save Answer 78 hr after exposure the activity of an Fa-244 sample is 4.5 nCi. If Fa-244 has a half-life of 13 hr, what was the activity of the sample at the time the technician was exposed? Make sure to report your answer with the correct number of significant figures and units. QUESTION 8 3 points Save Answer Write the formula for the following compound: horsium hydroxide Treat Bd. M. WI. Pe and im as NONMETALSI Make sure to subscript numbers appropriately. You may need to click the ellipsis (..) icon in the top right to see the X2 icon to subscript
- Periodic Table of the Elements + Rb TC 18 1A 8A 1 2 H 2 13 14 15 16 17 He 1 DON 2A ЗА 4A SA 6A 7A 400) 3 4 6 7 8 9 10 Li Be B C N O F Ne 6.94 9.01 10.81 12.01 14.01 16.00 19.00 20.1% 11 12 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Na Mg 3B 4B SB 6B 7B 8B IB 28 Al Si P S cl Ar 22.99 34.31 26.98 28.09 30.97 32.07 3545 39.95 19 20 21 22 23 24 25 26 27 28 29 10 31 12 33 34 33 36 K Ca So Ti V Cr Mn Fc Со Ni Cu Zn Ga Ge As Sc Br Kr 39.10 40.6% 44.46 4787 $0.94 52.00 5494 $5.35 58.93 58.69 6355 6538 69.72 72.6) 74.92 7896 79.90 X3.80 37 35 19 20 41 42 43 44 45 46 47 48 19 50 51 52 53 54 Sr Y Zc Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Xe 8547 87.62 88.91 91.22 92.91 95.96 (95) 101.07 102.91 10642107.57 11241 114.52 11X21 121.76 127.00 126.90 131.29 55 56 57 72 73 74 75 76 77 28 79 80 81 82 84 25 86 Cs Ba La HE w Re Ir Pt Au Hg TI Pb Bi Po At Rn 132.91137331389117497109518334186.21190.23 1922219508 196.9720559204.38 207 2208 98 (209) (210) (222) X7 9 104 105 106 107 108 109 110 111 112 113 114 TIS 112 118 Fr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh FI Mc Ly TS Og (23) 226) (227) (267) (268) (271) (272) (277) (276) (2x) (2801) (285) 2 (289) (293) 20 246 119 120 137 145 147 sas 149 350 Do Hr Wh Fa Bd Mi W Pc Im 2962 298. 3419 159.9 1617 164,6 3664 361 58 59 60 61 64 55 66 67 68 69 70 71 Ce Pr Nd Pm Sm Eu Gd ть | Dy | Но Er Tm Yb Lu 140.1214091 14424 (145) 15036151 1572515891162.50 16493 167.3616893 173.012497 90 91 92 23 94 95 95 97 9 99 100 101 102 100 Th Pa U Np Pu Am Cm Bk СЕ Es Fm Md No 23204 231.04 2003 (237) 1340 243124 12411253.252) (25) Elements and Polynomie fons NOT Accepted by IUPAC WE Wolne HE Hon Wh What wo Wollte Pe Pepsi Im M Microgen WIO Wolf F Fans Bidon De Dolphin MIO Michte MO M Ta Os 116 Ra Act