Several elements are highlighted in the partial periodic table shown below. 2
H
He
3
5 6
8
10
Li Be
B с N o F Ne
11 12
13 14 15 16 1718
Na Mg
AI Si P S CI Ar
19 20 21 22 23 24 25 26 27 28 29 30 31
33 35 36
K Ca Sc Ti Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
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Which of these elements is likely the best thermal insulator?
OA. phosphorus (P)
OB. gallium (Ga)
OC. magnesium (Mg)
OD
silver (Ag)
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