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∙ 11y ago
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Substance in which all atoms are alike?
A substance in which all atoms are identical is called an element.
A pure substance that cannot be broken down into other substances by chemical means?
A substance that can not be decomposed into simpler substance by a chemical or physical means is a chemical element.
Would you define a substance as a compound or a mixture or an element?
It depends on the substance your are talking about. It could be a compound, mixture, or substance; depending on the substance. If it is an element off the periodic table, it is an element. If it is two elements chemmically combined, it is a compound. If it is two elements that are not chemically combined, it is a mixture.
What is a one element substance?
A one element substance is a pure substance. It is not mixed physically or chemically with other substances or elements.
Witch element is likely to be contained in a substance with a yellow color?
Chromium is a likeley element to be contained in a substance with a brilliant yellow color.
Where was barium discovered?
In 1808 it was shown that this substance was not an element. It starts with L and ends in e, so it cant be Barium.
Is iron a substance or a mixture?
An element - substance - NOT a mixture.
What year was the element vanadium discovered?
1808 By del rio
What substance was found not to be an element in 1808?
The secret substance is: Heat energy.
What element was isolated in 1808 by Sir Humphrey David?
Who is Sir Humphrey David???? I think you mean Sir Humphrey DAVY. Note the spelling of the surname.
When was calcium discover?
It was discovered by Sir Humphrey Davy in 1808. Calcium was known and used in various compounds from as early as Roman times, but the element itself was not actually isolated until 1808.
Is an element is a pure substance?
Yes, an element is a pure substance. An element is composed of only one type of atom. There are no other substances in it. So an element is a pure substance.
Why silicon is a pure substance?
silicon is a pure substance because it is an element and as we know an element is a pure substance
Sodium is a mixture or substance?
a mixture
Is oxygen an element of substance?
its a element
If a substance is composed entirely of one type of atom it is known as a?
An Element is the substance consisting of only one type of atom
Is gold a pure substance and element?
Yes. Gold is both a pure substance and an element.
