what is it called when two or more atoms combined chemically?
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Two or more atoms combined chemically. ANSWER: MOLECULE.
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A compound consists of the atoms of two or more elements that are chemically joined to each other. Since the atoms are always joined in the same ratio, the composition of a compound is always the same. ... A mixture consists of two or more substances that are physically intermingled in different proportions.
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A + B – C → A – C + B The above equation exists when A is more reactive than B. The reaction in which two atoms or a group of atoms are displaced by another atom in a molecule is called a double displacement reaction.
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A triple bond in chemistry is a chemical bond between two atoms involving six bonding electrons instead of the usual two in a covalent single bond. The most common triple bond, that between two carbon atoms, can be found in alkynes. Other functional groups containing a triple bond are cyanides and isocyanides.
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valence. Valence is the ability of elements or atoms to combine to form molecules. An example of valence is when two atoms of hydrogen combine with one atom of oxygen to form a molecule of water. "Valence." YourDictionary.
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Atoms of the same element are the same; atoms of different elements are different. Atoms combine in whole-number ratios to form compounds.
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Polyatomic ions contain two or more atoms bonded together in a manner that there is still a charge on the molecule.
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In chemistry, the valence or valency of an element is a measure of its combining power with other atoms when it forms chemical compounds or molecules.
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Atoms can join together - they form bonds together - to make MOLECULES. For example, two atoms of hydrogen hook together to form a molecule of hydrogen, H2 for short.
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Yes, when elements combine to form compounds, their individual properties are lost. In comparison, elements retain some (or many) of their property when they are mixed to form a mixture.
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A mixture (is/is not) a chemical combining of substances. In a compound the (atoms/molecules) are (chemically physically) combined so that the elements that make up the compound (retain/lose) their identities and (do do not) take on a new set of properties. ... In a mixture, the substances (lose/retain) their identities.
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Recall that two hydrogen atoms bind to make a hydrogen molecule. The same can be said of one mole of any other substance where two atoms combine to make a simple molecule.
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…than two atoms are termed polyatomic molecules, e.g., carbon dioxide (CO2) and water (H2O). Polymer molecules may contain many thousands of component atoms.
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The number of protons of elements always stays the same. Each element also has its own unique set of properties. A compound is a pure substance of two or more elements chemically combined. Elements combine during a chemical change.
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Essentially, atoms are the basic unit of an element (C, H, etc.) Molecules can contain multiple atoms bonded together. Formula units are a special term used for salts such as NaCl. Within the formula unit of NaCl, there are two atoms (Na and Cl).
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In a chemical reaction, one or more substances called products are combined or broken down to form reactants. In a chemical reaction, one or more substances called products are combined or broken down to form compounds.
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In chemistry, a mixture is a material made up of two or more different substances which are physically combined. A mixture is the physical combination of two or more substances in which the identities are retained and are mixed in the form of solutions, suspensions and colloids.