The middle nitrogen has two sigma bonds and one pi bond. You know that one p orbital is used in the double bond and two sp2 orbitals are involved in the sigma bond. This leaves one sp2 orbital for the lone pair to occupy.
Explanation:
the answer and the working out is shown above, hope it helps.
Answer:
atoms or molecules
Explanation:
Gas particles are constantly bumping into each other and the borders of their container.
The answer is a. a homogenous mixture
Explanation:
The more reactive element replaces less reactive element during chemical reaction.
Since, potassium is more reactive than beryllium. When potassium reacts with beryllium choride, it replaces beryllium and forms potassium chloride and produces beryllium.