The best insulator is likely C because it is a nonmetal. Nonmetals are poor conductors and therefore good insulators. Si is a metalloid.
Na is the best insulator among Na, Si, and S. This is because Na is a metal and tends to have very low conductivity compared to Si and S which are semiconductors or nonmetals with higher conductivity.
Insulation is keeping the hot material hot and vice versa. There is no one best insulator but many. Blanket is one example of a good insulator that keeps you warm.Metals like sodium (Na) are the best conductors.Silicon (Si) is a semiconductor---somewhere in between a metal and a non-metal.Carbon (C) is a non-metal, and in theory would be considered an insulator as most nonmetals are. However, graphite can conduct electricity and so can carbon nanotubes. These are exceptions to the general rule that nonmetals are insulators because of their special structures.So C should be your answer, but it is an iffy question to begin with. Easier if the non-metal was something like sulfur.this is he correct answerSi.
The net ionic equation for the given reaction would be: H+ + OH- -> H2O
The resolution of an objective lens is given by the formula R = 0.61 * λ / NA, where R is the resolution, λ is the wavelength, and NA is the numerical aperture. For a 1.25 NA lens with a wavelength of 520nm, the resolution would be approximately 266nm. For a 0.25 NA lens with the same wavelength, the resolution would be around 1330nm.
Ang merom sa insulator ay ang mataas na resistensya nito sa daloy ng kuryente. Dahil sa estruktura ng mga atom sa insulator, hindi madaling makagalaw ang mga electron, kaya't hindi sila nakakapagdaloy ng kuryente. Sa madaling salita, ang mga insulator ay hindi nagpapahintulot sa kuryente na dumaan, na nagiging dahilan kung bakit hindi ito dumadaloy.
Sodium Sodium
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What Makes you Beautiful by One Direction Best. Band. Ever.
Best Friend - Toy Box
Best International Band Best Video (for Na Na)
Well there is a song that has "na na nas" in it that is really popular.. What Makes you beautiful by One Direction (Best band ever :) )
matalik na kaibigan :) e.g ikaw ay aking matalik na kaibigan YOU are my BEST FRIEND