0
chemical reactions are involved by the participation of electrons only.During chemical reaction number of protans remains as it is. No change in number of protans.Number of protans is also called atomic number.So no change in number of protans means no change in atomic number. That's why atomic number is not change during a chemical reaction.
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
Why is a phase change not a chemical reaction?
Because chemical bonds are not formed or broken by a phase change.
Where is the energy which is released during a chemical reaction stored to begin with?
In the electrostatic forces between the positive atomic nuclei and the negative atomic electrons.
If one substance changes color is it a chemical reaction?
Not necessarily. Things sometimes change colors during a chemical reaction, but a color change is not sufficient evidence of a chemical reaction. You can add drink mix to water and the water turns colors, but it is not a chemical reaction, just a mixture.
What is created and what is destroyed during a chemical reaction?
starting substances and substances called products
The enthalpy change for a chemical reaction exactly as it is written is what?
The amount of energy that is lost or gained by the products during the reaction.
What goes under no chemical change in a chemical reaction?
Mono-atomic ions do not undergo a chemical change during a chemical reaction.
What parts of an atom can change during a nuclear reaction that can't change in a chemical reaction?
the number of protons and neutrons
What undergoes no chemical change during a chemical reaction?
A catalyst undergoes no chemical change during a chemical reaction.
Undergo no chemical change during a chemical reaction?
A catalyst doesn't undergo a chemical change during a chemical reaction.
Is Gas produced from a reaction is a phase change and not a chemical change.?
A gas released during a chemical reaction is a chemical change.
What undergo no chemical change during a chemical change?
Catalysts doesn't undergo a chemical change during a chemical reaction.
Why is a phase change not a chemical reaction?
Because chemical bonds are not formed or broken by a phase change.
What is it that undergoes no chemical change during a chemical reaction?
A catalyst does no change chemically.
What is the description of the enthalpy of a reaction?
The enthalpy of a chemical reaction is the change of heat during this reaction.
What is the description of the enthalpy of reaction?
The enthalpy of a chemical reaction is the change of heat during this reaction.
What change could happen during a chemical reaction?
the chemical shall be changed
What is a correct description of the enthalpy of reaction?
The enthalpy of a chemical reaction is the change of heat during this reaction.
