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1. chem.libretexts.org › Courses › Anoka-Ramsey5.1: Elements Combine to Form Compounds - Chemistry LibreTexts

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   Compounds. A compound is a substance that contains two or more elements chemically combined in a fixed proportion. The elements carbon and hydrogen combine to form many different compounds. One of the simplest is called methane, in which there are always four times as many hydrogen atoms as carbon atoms. Methane is a pure substance because it ...

   • Chemical Formulas

     A chemical formula is an expression that shows the elements...

2. chemistry.stackexchange.com › questions › 2879What is the definition of of 'compound', 'mixture', 'element ...

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   All substances listed in Periodic Table are elements. Molecule: Two or more atoms or elements combined together are called a molecule. Compound: Two or more elements combine together to form a compound. The smallest unit of a compound is a molecule. Compounds possess different characteristics compared to constituent elements. Example: $\ce{H2O}$.

3. chem.libretexts.org › Bookshelves › Introductory11.4: Combination Reactions - Chemistry LibreTexts

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   Sep 21, 2022 · A combination reaction is a reaction in which two or more substances combine to form a single new substance. Combination reactions can also be called synthesis reactions. The general form of a combination reaction is: A + B → AB A + B → AB. One combination reaction is two elements combining to form a compound.

4. www.bbc.co.uk › bitesize › articlesElements, compounds and mixtures - BBC Bitesize

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   compound A pure substance made from two or more elements which are chemically bonded in a fixed ratio. and. mixtures. close. mixture When two or more compounds or elements are present without ...

5. socratic.org › questions › what-is-a-combination-ofWhat is a combination of two or more elements chemically ...

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   May 13, 2017 · A combination of two or more elements chemically combined is a compound . Compounds can be molecular or ionic. In a molecular compound, the electrons of the elements making it up are shared, forming covalent bonds. The smallest particle of a molecular compound that has the properties of that compound is a molecule. In an ionic compound, atoms lose or gain electrons and form positive or ...

6. learning-center.homesciencetools.com › articleMolecules, Compounds and Mixtures - Kinetic Theory | HST

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   A mole is a measure of chemical substances. There are 602,300 million trillion (6.023 x 10 23) atoms or molecules in one mole. A mole of any two elements with have a different mass, but the same number of particles. If you look up gold (Au) on a periodic table, you’ll see it has an atomic mass of 107.9.

7. People also ask

   Is a combination of two or more elements chemically combined a compound?

   • A combination of two or more elements chemically combined is a compound . Compounds can be molecular or ionic. In a molecular compound, the electrons of the elements making it up are shared, forming covalent bonds. The smallest particle of a molecular compound that has the properties of that compound is a molecule.

   What is a combination of two or more elements chemically combined

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   What are elements compounds and mixtures?

   • Elements compounds and mixtures are all unique combinations of different atoms in different ways. The periodic table is made up of elements but these can combine with other elements to form compounds. Sometimes they are found together but they do not have a bond between them so we call them a mixture.

   Elements, Compounds and Mixtures - breakingatom.com

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   What is the difference between a mixture and an element?

   • Element: one single atom. A mixture contains two or more substances (elements, lattices, molecules, compounds), that are not chemically bonded together. So basically a mixture is like you said a bath tub with elements, compounds, lattices, and/or molecules in it but they are not bonded together chemically.

   terminology - What is the definition of of 'compound', 'mixture

   chemistry.stackexchange.com/questions/2879/what-is-the-definition-of-of-compound-mixture-element-and-molecule

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   What is elements combine to form compounds?

   • 5.1: Elements Combine to Form Compounds is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts. A compound is a substance that contains two or more elements chemically combined in a fixed proportion.

   5.1: Elements Combine to Form Compounds - Chemistry LibreTexts

   chem.libretexts.org/Courses/Anoka-Ramsey_Community_College/Introduction_to_Chemistry/05:_Chemical_Nomenclature/5.01:_Elements_Combine_to_Form_Compounds

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   Are compounds and mixtures the same?

   • While the terms do overlap, they’re technically not the same. Compounds are two or more elements chemically combined in definite proportions by weight. Mixtures are two or more substances not chemically combined. Read on for a more thorough explanation of the properties of compounds and mixtures.

   Molecules, Compounds and Mixtures - Kinetic Theory | HST

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   How is a mixture formed?

   • A mixture is formed when two or more elements or compounds are present without being chemically bonded together. The substances which have been mixed are not present in specific amounts or ratios like they are in a compound, e.g. two hydrogen atoms for each oxygen atom in water.

   Elements, compounds and mixtures - BBC Bitesize

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8. www.breakingatom.com › learn-the-periodic-tableElements, Compounds and Mixtures - breakingatom.com

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   Jun 19, 2021 · Mixture - A mixture is when we have elements or compounds in a container or space and they are not bonded together. This means they are not joined and have not swapped or shared electrons. Instead they do not react together but mix and move around each other. An example of this is air in the classroom. This air is a mixture of oxygen, carbon ...