Suppose two electrons in an atom have quantum numbers n = 5 and l = 4. (a) how many states are possible for those two electrons? (keep in mind that the electrons are indistinguishable.) (b) if the pauli exclusion did not apply to the electrons, how many states would be possible?

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils

What state of matter is ice a. liquid b. element c. solid d. gas

The graph shows one consequence of urban sprawl. how did urban sprawl contribute to the change in biodiversity