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Would a compound be classified as a pure substance?
If this compound is refined can be classified as a pure substance.
Why is carbon classified as an element rather than a compound?
Because carbon cannot be changed into a simpler substance by normal means
Do you agree that all homogeneous matter can be classified as pure substance?
yes all homogeneous are pure substance because all the part are the same throughout and they cannot be easily separated or broken down into simpler substance by physical means.
What is a substance that cannot be brooken into a simpler substance?
Any substance that cannot be broken down into simpler substances is an?
What is a substance that cannot be broken down into a similar substance?
An element cannot be broken down into a simpler substance by chemical means.
Which of the following cannot be classified as a substance a air B gold c table salt d nitrogen?
All matter is a substance.
Why is the substance of magnesium classified as a element?
Magnesium cannot be broken down further, beyond electrons, protons and neutrons.
Would a compound be classified as a pure substance?
If this compound is refined can be classified as a pure substance.
Why is carbon classified as an element rather than a compound?
Because carbon cannot be changed into a simpler substance by normal means
Matter has a uniform and definite composition called what?
Substance, classified as an element and compound. For an element, it cannot be separated into another simplier substance; for a compound, it can be dicomposed into elements using chemical processes.
What is a pure substance classified as?
A pure substance is classified by having a definite and constant composition. The substance can be either an element or a compound, but what makes the substance pure, is that it does not vary.
Do you agree that all homogeneous matter can be classified as pure substance?
yes all homogeneous are pure substance because all the part are the same throughout and they cannot be easily separated or broken down into simpler substance by physical means.
Why is pure gold classified as an element?
Because it cannot be broken down into a simpler substance by any substance and is composed of atoms that have the same number of protons in the nucleus. IN the case of gold that number is 79.
Can gold be classified as a substance?
Yes.
Is a compound classified as a substance?
yes
Is a mixture classified as a substance?
Water is a compound, so it is a pure substance.
How is Substance abuse classified under the DSM-IV?
Substance-Related Disorders
