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To determine the number of elements in a substance, you can analyze its chemical composition. Each unique atom present in the substance represents an element. Scientists use techniques like spectroscopy and chemical analysis to identify and count the different elements in a given substance.
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What does a chemical formula tell you about a pure substance?
It tells you the elements and the proportions of those elements that are present to make the pure substance.
How many kinds of matter does a pure substance contain?
If it is a pure substance, than only one! Now that pure substance may contain many different elements (as many elements can make up a single pure compound), but a pure substance means only one compound.
A substance with two or more elements in a fixed ratio?
A compound is a substance composed of two or more elements in a fixed ratio. The elements in a compound are chemically bonded together, creating a new substance with unique properties different from its constituent elements. The ratio of elements in a compound is represented by its chemical formula.
Are elements considered to be a substance?
Yes, chemical elements are substances.
What is substance made of two or more elements that have been chemically combined called?
A substance made of two or more elements that have been chemically combined is called a compound. In a compound, the elements are chemically bonded together in fixed ratios to form a new substance with unique properties different from the individual elements.
What does a chemical formula tell you about a pure substance?
It tells you the elements and the proportions of those elements that are present to make the pure substance.
How many elements are in the substance carbon dioxide?
two elements, carbon and oxygen
How can you tell that a substance is a compound by looking at it formula?
the formula tells youwhich elements make up a compound as well as how many atoms of each element are present.
How can you tell a substance is a compound by looking at its' formula?
the formula tells youwhich elements make up a compound as well as how many atoms of each element are present.
What elements are in a substance?
Depends on the substance.
How many elements are in the substance water (H2O)?
Water (H2O) is composed of two elements: hydrogen and oxygen. Specifically, it contains two hydrogen atoms and one oxygen atom. Therefore, in terms of distinct elements, there are two elements in the substance water.
What kind of substance of water?
Water is considered a pure chemical substance. Its mass and properties are similar to many of the other constituent elements.
What is the pure substance?
Elements
How do elements differ from pure substance?
An element is a pured substance and a pure substance is a material
How many kinds of matter does a pure substance contain?
If it is a pure substance, than only one! Now that pure substance may contain many different elements (as many elements can make up a single pure compound), but a pure substance means only one compound.
What does the chemical formula for a molecule tell you?
What and how many elements it's composed of
What are two substances are?
The two types of pure substance are elements and compounds The two types of pure substance are elements and compounds
