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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b. acid is the correct answer @jayxboof all social media

acid : acids are those which accepts an electron-pairs.

base : bases are those which donates ab electron-pairs.

alkali : it is a base that dissolves in water. it is basically a base and the ph greater than 7.

hydroxide ion : it is a poly-atomic ion which is negatively charged.

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the cold front replaces the warmer air at the ground level changing the wind to be breezy and denser.there is also an immediate drop in the temperature.

they are all solids.