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A substance's Atomic Number is its most distinguishing property. It defines and describes It's chemical properties.
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What is a sign of a reaction oh a chemical change?
a colour change, a gas produced or a precipitate (new substance/solid) formed.
How is letting a copper kettle tarnish a chemical change?
It is a chemical change because when copper tarnishes, it combines with oxygen to become a new substance. You can also tell because of the change of color, a sign of chemical change.
In a chemical change does the original substance disappear?
It is altered beyond regeneration, so yes.
Is changing of color a sign of chemical change?
The change of color may be a sign of a chemical reaction.
Is wood burning a sign of substance being formed?
Yes, it is a almost unlimited number of complex chemical reactions: at least carbon dioxide and water vapor are some of the substances formed by burning.
Is the color of a copper wire a physical property or chemical property?
Color is a physical property. However, change in color is a sign of a chemical reaction.
Is reacts with water to form gas a physical or chemical property?
If something reacts with water to form a gas, it's demonstrating a chemical property. The reaction has caused it to become something new, which is a telltale sign of a chemical property.
What does the hazard sign for poison mean?
it means that the chemical or substance is poisonous
A change in color of an indicator is a sign of that?
A colour change in a chemical indicator implies that a distinguishable chemical property has been changed in the given system.
If the color changes it is a chemical or physical?
- Color is a physical property and the change of color also.- Color change may be a sign of a chemical reaction.
What is a sign of a reaction oh a chemical change?
a colour change, a gas produced or a precipitate (new substance/solid) formed.
Is decaying matter a physical or chemical change?
It's a chemical change. A chemical change is any change that causes a substance to change into another substance. A sign to know whether it's a chemical change or not, are the changes in odor. When something decays the change in smell is very powerful. Therefore, it is a chemical change.
How is letting a copper kettle tarnish a chemical change?
It is a chemical change because when copper tarnishes, it combines with oxygen to become a new substance. You can also tell because of the change of color, a sign of chemical change.
In a chemical change does the original substance disappear?
It is altered beyond regeneration, so yes.
What is the chemical sign for potassium?
the chemical sign for potassium is K.
A chemical reaction begins with a substance called and ends with substance called?
Pure substances (or ELEMENTS) form COMPOUNDS after a chemical reaction. For example: Sodium and chlorine, when fused in a chemical reaction become the compound Sodium-Chloride The substance you have in the beginning of a chemical reaction are called reactants and the substance you have when chemical reaction is complete is called products.
What is the chemical sign for Gin?
Gin is not an element, meaning it has no chemical sign.
