N2+ 3H2 → 2NH3 How many moles of hydrogen, H2, are needed to react with 2.0 moles of
nitrogen, N2?

( pls give explanation :] )

1. true or false: minerals are inorganic. true false 2. inorganic means that something has never been found alive 3. halite is another name for and is a mineral with a cubic crystal pattern. table salt rock salt

How can the number of core electrons be determined from the periodic table

Generally, observed behavior that can be formulated into a statement, sometimes mathematical in nature, is called a(n): a. observation. b. measurement. c. theory. d. natural law. e. experiment.