Ahydrogen atom in a particular orbital angular momentum state is found to have j quantum numbers 7/2 and 9/2 .

question 1: what is the letter that labels the value of l for the state?
s, p, d, f, g?

Ineed this now one scientist feels that the changes in global climatic patterns may be good for the health of the biosphere. another scientist feels that sharp changes in climatic patterns could result in the extinction of the biosphere. which of these is the most likely reason the two scientists gave conflicting opinions on the impact of changes in the global climatic pattern? they do not have enough knowledge on the topic. they did not discuss the issue among themselves. they believe conflicting opinion strengthens science. they study different areas of science and have different scientific focuses.

Ais a multilevel way of grouping items based on common properties among them. a. memory b. conceptual hierarchy c. schema d. semantic network

Asample of unknown material is more dense than copper. which could be the identity of the unknown material? a. lead only b. brick only c. lead or platinum only d. brick, platinum, or lead