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Which action changes the identity of the substance referenced running an electric current through copper burning wood breaking an ice cube melting gold?
Wiki User
∙ 7y ago
All except the corroding of iron do NOT change the substance involved.
Wiki User
∙ 7y ago
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What effect does an energy change have on the identity of a substance?
The identity of the substance reamain unchanged.
What is the smallest unit of matter that retains the identity of the substance?
If that substance is an element, the smallest part is the atom which, if broken down further into atomic particles, loses its identity.
How does changing the amount of one substance affect a mixtures identity and a compounds identity?
The compounds identity remain unchanged; but the new mixture is different.
A chemical change is a change in the of a substance....?
A chemical change is a change of the identity of a substance. Or A chemical change is a change of the substances into a new substance.
What properties refer to a substance's ability to undergo changes that alter its composition and identity?
Chemical changes
Is breaking a plate a chemical change?
No breaking a plate is a physical change. A chemical change is a change to a substance where its identity changes. When you break a plate you still have a plate not a new substance.
What is identity of a substance?
The identity of a substance (chemical compound) is defined by his chemical formula and molecular structure.
A physical property of a substance can only be observed if the substance changes into a different substance?
No, a physical property DOES NOT change the identity of a substance. That would be a chemical property which DOES change the identity.
How can the identity of a substance be identified?
By density
What effect does an energy change have on the identity of a substance?
The identity of the substance reamain unchanged.
When the substance undergoes a chemical change its identity deos not change?
It does change its physical look but it does not change chemically.
Process that does not change the identity of a substance?
density
What is the diffeference between a physical and a chemical change?
A physical change is when a substance changes, but still keeps its identity. When a chemical change occurs, the substance changes its identity.
What is the identity of a substance that is a solid and its a ionic compound?
"an is an ionic"
In a physical change a substance changes its but not its identity.?
Appearance
What is the term for a process that does not change the identity of a substance?
Many physical changes will not alter the identity. However, some physical changes, such as heating or cooling will result in phase changes and so the identity will be different. While ice and water are chemically the same, they are not identical forms of the substance.
What is the smallest unit of matter that retains the identity of the substance?
If that substance is an element, the smallest part is the atom which, if broken down further into atomic particles, loses its identity.
