Cation is formed when an atom of mercury (Hg) loses two electrons.
Answer:
In the forward direction and releases carbondioxide gas from backside.
Explanation:
In the forward direction and the carbondioxide gas which is a waste material is removed from the engine at the back. The chemical energy of fuel is converted into mechanical energy with the help of engine which able the car to move in the forward direction so engine is the key component that is responsible for the movement of car.
Answer: This is because their valence electrons are located in the S - orbital
Explanation:
This is because their valence electrons are located in the S - orbital.
Answer:


Explanation:
Given the compound 
The steps of reaction:


<u>But this intermediate product has a resonance: </u>

The reaction with I-


The amount of kinetic energy that an object has depends on its mass or how heavy it is and how fast it is moving, or velocity