Can someone

because kevin is so strong, he can move a crate in 10 seconds. how much power, in watts, does he use?

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.