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Element
(It IS possible to alter elements by bombarding them with sub atomic particles and attempting to either augment or spilt the nucleus. Some elements are self-altering. These are the radioactive isotopes and they can change to several different elements before reaching their end state.)
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Describe the changing definitions of an element?
A pure substance that cannot be chemically broken down into simpler substances.
What is a substance that cannot be broken down into simpler substances?
A substance that cannot be broken down is a pure substance
What is an element as a substance which cannot be separated into simper substances?
Diamond. Diamond is composed strictly of carbon, covalently bonded to one another creating a covalent network, making it the hardest substance in the world. Also, graphite of your pencil is composed strictly of carbon, except that the structure is different than diamond.
A pure substance is matter that has a fixed what?
A pure substance is a substance that cannot be separated by means of physical separation but only by chemical. It is a change in time.
What is the scientific definition for the word element?
!!A pure substance that cannot be separated or broken down into simpler substances by ordinary chemical means!!
What is a pure substance that cannot be separated into simpler substances by physical and chemical means?
element
Pure substance that cannot be separated into simpler substances by physical or chemical means?
element
What substances can be separated into simpler substances only by chemical means sodium salt water water water or gold?
Sodium can be separated into simpler substances only by chemical means. Water, salt, and gold are pure substances that cannot be separated into simpler substances by chemical means.
What are the characteristic of pure substances?
The characteristics of pure substances are:fixed melting pointfixed boiling pointsfixed valencyfixed densitystability
What is a pure substance made of one atom and cannot be separated into simpler substances?
An element is a pure substance made of one type of atom that cannot be broken down into simpler substances by chemical means. Each element is defined by the number of protons in its nucleus, which determines its unique chemical properties.
What is a pure substance that cannot be broken down into similar substances?
An element is a pure substance that cannot be broken down into simpler substances by chemical means.
A subtance that cannot be separated or broken down into simpler substances by chemical means?
Is a pure substance such as an element. Remember elements can not be broken down further by chemical or physical processes.
What is a pure substance that cannot be broken into a simpler substance?
Not: atoms The answer is an element
Is ammonia NH pure substance or mixture?
Ammonia (NH3) is a pure substance. It is a compound made up of nitrogen and hydrogen in a fixed ratio, and it cannot be separated into simpler substances by physical means.
What is a pure substance that cannot be broken down into simpler substances by chemical means?
An element is a pure substance that cannot be broken down into simpler substances by chemical means. Each element is composed of only one type of atom.
Since carbon cannot be broken down into simpler substances it is and example of?
Carbon is an example of an element, which is a pure substance that cannot be broken down into simpler substances by chemical means.
Why is carbon monoxide pure substance?
Carbon monoxide is considered a pure substance because it is a compound composed of two elements, carbon and oxygen, in a fixed ratio (1:1). It cannot be separated into simpler substances by physical methods.
