0
That defines the elements of the Periodic Table. They are only one kind of matter. Refining ores and other source materials is very hard to do. To obtain %100 percent of one kind of element is time consuming and sometimes very expensive.
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
What is the difference between a substance and an element?
A substance is any matter, any material which has mass and occupies space. As far as a specific substance, a material has a specific constitution.An element is a pure substance which cannot be broken down into (or synthesized by) other substances.For example, water is a substance, but water itself is the result of the union of two other elements, hydrogen and oxygen.An element cannot be made by joining other substances together (example, gold).
Is aluminum foil a mixture or a pure substance?
Mixture
Wood chemical change?
Wood is a material (substance) not a chemical compound (it is not a pure substance made of one compound) and surely it is not a change at all, neither chemical nor physical.
What makes a substance a pure substance?
A pure substance is one that comprises either just one element or just one compound with nothing else mixed in. Thus:-Distilled water is a pure substance,Salt water is a mixture,24 carat gold is a pure substance,White gold is a mixture.
What is a characteristic of pure substance?
A pure substance contains only one chemical identity, e.g. one element or one compound. While the properties of any pure substance might be completely different from that of another, the properties of any sample of a single pure substance will always be the same.
Why would you obtain an impure substance if you mixed pure baking soda with pure salt?
A pure substance has to consist of only one component with defined physical characteristics and definite composition. Two pure substances mixed but not chemically bonded will have more than one component.
How could you prove to someone that a clear material is a solution not compound?
well Tell the person its a pure substance so a pure substance can only compound one matter
What is a specific propertie?
A specific property is typical for only one material.
What is the difference between a substance and an element?
A substance is any matter, any material which has mass and occupies space. As far as a specific substance, a material has a specific constitution.An element is a pure substance which cannot be broken down into (or synthesized by) other substances.For example, water is a substance, but water itself is the result of the union of two other elements, hydrogen and oxygen.An element cannot be made by joining other substances together (example, gold).
What is one characteristic of a sample of matter that indicates it is a pure substance?
A pure substance is a material which contains atoms of only one kind. It has fixed physical and chemical properties like boiling point, melting point, valency, density.
Is aluminum foil a mixture or a pure substance?
Mixture
Are a substance and a pure substance the same thing?
Technically, a non-pure substance is called a compound, so substance should not be used as an official scientific term. If you do come across the term 'substance', use context to decide. e.g. "Scientists isolated the substance boron." would be a pure substance, as boron is a single element.
Describe what a pure material or substance is?
These are substances that contain only one type of atoms/molecules. For example, diamond is a pure substance. Diamonds are made of strictly carbon atoms. Melting points and Boiling points of pure substances always remain constant !
Is table salt a puresubstance?
Table salt is a pure substance. A pure substance is a substance has one type of molecule and one type of atom. Other pure substance are copper and liquid water.
Pure substance definition?
A pure substance:cannot be separated into 2 or more substances by physical or mechanical meansis homogeneous, ie, has uniform composition throughout the whole sampleits properties are constant throughout the whole sampleits properties do not depend on how it is prepared or purifiedhas constant chemical composition
Can a pure substance be a homogenious mixture?
A pure substance by definition cannot be a mixture. Pure in chemistry means only one substance is present.
Is a diamond a pure substance homogeneous mixture or a heterogeneous mixture?
Pure substance; it is one form of pure carbon.
