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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Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)

what is your question? collegechemistry 5+3 pts in november 1987, a massive iceberg broke loose from the antartic ice mass and floated free in the ocean. the chunk of ice was estimated to be 98 mi long, 25 mi wide, and 750 ft thick. a typical backyard swimming pool contains about 24,000 gallons of water. how many of these pools could you fill from the water in this iceberg? (assume the iceberg is a rectangular solid of the above dimensions and consists of water only). express answer in scientific notation.