What percentage of light hits Earth's surface directly? O3 percent
O 5 percent
O 31 percent
O 47 percent

Balance this equation: n2 + h2 > nh3, write the following molar ratios: n2 / n2 / nh3 h2 /

When curium-242 is bombarded with an alpha particle, two products are formed, one of which is a nudge on. what is the other product

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?