Refer to the periodic table and state the mass of 6.02 x 10²³ atoms of each of the following nonmetals.

(a) Beryllium

(b) Barium

(c) Boron

(d) Bromine.

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2 3 4 AD 6 3 7 11 1 IA 37 5 Rb 4 Li B Na 19 55 87 2 IIA Fr Be 12 Mg 20 38 56 Ba 88 Ra 3 IIIB 21 Sc 39 57 Y La 89 Atomic number Symbol Ac Metals Semimetals Nonmetals 4 IVB 22 Ti 40 Zr 5 VB 72 23 41 Nb 73 Hf Ta 104 105 Rf Db 90 -H Th 6 VIB 24 Cr 42 Mo 74 W 106 91 PERIODIC TABLE OF THE ELEMENTS 7 VIIB Pa 25 Mn 43 59 60 Ce Pr Nd 75 Re 92 8 VIII U 26 107 108 Sg Bh Hs 44 Fe Ru 76 61 Pm 93 Np 9 VIII 27 Co 45 Rh 77 Ir 109 62 Sm 94 10 VIII 110 Mt Ds Pu 28 Ni 78 63 46 47 48 Pd Ag Cd 11 IB 95 Am 29 30 Cu Zn 79 Au 64 Eu Gd 111 Rg 12 IIB 96 Cm 80 Hg 112 Cn 65 97 Bk 13 IIIA 13 Al 31 2 Ga 49 81 In TI 113 66 Nh 98 Cf 14 15 16 IVA VA VIA 6 14 32 Ge 50 82 Pb 114 33 e As 67 99 E Es 51 83 Bi 115 Mc 68 8 16 34 Se 52 S Te 84 Po 116 Lv 69 17 VIIA 9 17 35 Br 53 85 At 117 Ts 70 18 VIIIA 2 He 10 Ne 18 Ar 36 54 Kr Xe 86 Rn 118 Og 71 Lu 100 101 102 103 Fm Md No Lr