The work function of magnesium metal is 353 kj/mol, which corresponds to light with a wavelength of 339 nm. which of the following will cause a largest number of electrons to be ejected from magnesium?

high-amplitude wave with a wavelength of 300 nm.
high-amplitude wave with a wavelength of 350 nm.
low-amplitude wave with a wavelength of 300 nm.
low-amplitude wave with a wavelength of 350 nm.

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.

Word equation for k(s) +h2o(l) yield koh (aq) + h2

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.