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24 paź 2020 · In chemistry, a compound is a substance made of two or more elements chemically bonded to each other in a fixed ratio. The chemical bonds between atoms of elements involve a transfer or sharing of valence of electrons. This give a compound different properties from its elements.
Chemical compound, any substance composed of identical molecules consisting of atoms of two or more chemical elements. All the matter in the universe is composed of the atoms of more than 100 different chemical elements, which are found both in pure form and combined in chemical compounds.
A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) containing atoms from more than one chemical element held together by chemical bonds. A molecule consisting of atoms of only one element is therefore not a compound.
1 lip 2024 · Chemical compounds are the building blocks of all matter, formed when atoms of two or more elements link up. A familiar example is water (H₂O), where two hydrogen (H) atoms join with one oxygen (O) atom, creating a stable molecule.
3 lip 2019 · Examples of Compounds. Examples of compounds include table salt or sodium chloride (NaCl, an ionic compound), sucrose (a molecule), nitrogen gas (N 2, a covalent molecule), a sample of copper (intermetallic), and water (H 2 O, a covalent molecule).
A chemical compound is, for example, a chemical substance that is formed by the bonding of two or more different chemical elements. Every chemical compound has a chemical formula, a notation that describes the relative proportions of elements that constitute a given compound.
12 lip 2023 · One example of an ionic compound is sodium chloride (NaCl), formed from sodium and chlorine. In forming chemical compounds, many elements have a tendency to gain or lose enough electrons to attain the same number of electrons as the noble gas closest to them in the periodic table.
