In silicones the backbone polymer is composed of alternating silicon atoms and _________atoms.
Fill in the blank(s) with the appropriate word(s).
oxygen
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A small car and a large truck collide head-on. During the collision, the small car experiences
A) A much larger acceleration than the truck. B) A much larger force than the truck. C) A much larger change in momentum than the truck. D) All of the above. E) None of the above.
The Jovian planets can be eliminated as hosts for life because:
A) they do not have an atmosphere. B) they are too hot for liquid water to survive on the surface. C) they have water in the form of ice on the surface. D) they do not have solid surfaces.
Photoelectric Effect: If the longest wavelength of light that is able to dislodge electrons from a metal is 373 nm, what is the work function of that metal, in electron-volts? (1 eV = 1.60 × 10-19 J, c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s)
Fill in the blank(s) with the appropriate word(s).
A galvanometer calibrated to read potential difference is
A) an ammeter. B) a voltmeter. C) an ohm meter. D) none of the above