Elements in the same group have D. Same number of valence electrons.
Bubbles, release of gas, change in color, release of a smell, change in temperature, formation of a precipitate,
Answer: D (The abundance percentage of each isotope)
Explanation: hope this helps!
N₂ + 3H₂ ⇒ 2NH₃
doesnt matterN₂ + 6.64H₂ ⇒ 2NH₃
(6.64H₂/3H₂) x (2NH₃) =4.4266667
rounded to sig figs= 4.43