N2 ( g ) + 3 h 2 ( g ) ⟶ 2 n h 3 ( g ) how many moles of ammonia are produced when 5 moles of hydrogen reacts with excess nitrogen?

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?

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring