why do atoms form chemical bonds?
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Atoms form chemical bonds to make their outer electron shells more stable. ... An ionic bond, where one atom essentially donates an electron to another, forms when one atom becomes stable by losing its outer electrons and the other atoms become stable (usually by filling its valence shell) by gaining the electrons.
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A chemical bond is a force of attraction between atoms or ions. Bonds form when atoms share or transfer valence electrons. In a covalent bond, two atoms share one or more electrons. ... A hydrogen bond is a relatively weak bond between two oppositely partially charged sides of two or more molecules.
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A molecule or compound is made when two or more atoms form a chemical bond, linking them together. The two types of bonds are ionic bonds and covalent bonds. The distinction between them has to do with how equally the atoms participating in the bond share their electrons.
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Forming Covalent Bonds Covalent bonds are a class of chemical bonds where valence electrons are shared between two atoms, typically two nonmetals. The formation of a covalent bond allows the nonmetals to obey the octet rule and thus become more stable. For example: A fluorine atom has seven valence electrons.
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Whether something is a molecule or not depends on the type of bond that is formed when its atoms join together. In general, electrons can be shared between atoms (a molecular bond) or electrons can be completely removed from one atom and given to another (an ionic bond). Molecules have molecular bonds.
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Ionic bonds form when atoms transfer electrons between each other, forming ions that are electrically attracted to each other forming a bond between them. Sodium chloride (NaCl) is a typical ionic compound. The picture below shows both a sodium and a chlorine ion.
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The full valence electron shells of these atoms make noble gases extremely stable and unlikely to form chemical bonds because they have little tendency to gain or lose electrons. Although noble gases do not normally react with other elements to form compounds, there are some exceptions.
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Formation. Ionic Bonds: Ionic bonds form when one atom provides electrons to another atom. Covalent Bonds: Covalent bonds form when two atom shares their valence electrons. Metallic Bonds: Metallic bonds form when a variable number of atoms share a variable number of electrons in a metal lattice.
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There are four different types of chemical bonds: polar covalent, nonpolar covalent, ionic, and hydrogen bonds. Atoms form chemical bonds to achieve a full outer energy level, which is the most stable arrangement of electrons. A chemical bond is a force of attraction between atoms or ions.
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A covalent bond is formed when two atoms share a pair of electrons . Covalent bonding occurs in most non-metal elements , and in compounds formed between non-metals.
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What is the particular significance of valence electrons? Valence electrons form chemical bonds between atoms by being transferred or shared. ... one atom gives up one or more valence electrons to another atom. Covalent Bond. chemical bonds created by sharing a pair of electrons between atoms.
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In covalent bonds, atoms share electrons, whereas in ionic bonds atoms transfer electrons. ... Covalent bonds can form between atoms of the same elements (i.e. H2). However, ionic bonds cannot do this. Covalent bonds are formed between two non-metals, whereas ionic bonds are formed between a metal and non-metal.
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Covalent Bonds A covalent bond forms when the difference between the electronegativities of two atoms is too small for an electron transfer to occur to form ions. Shared electrons located in the space between the two nuclei are called bonding electrons.
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Covalent bonding occurs when pairs of electrons are shared by atoms. Atoms will covalently bond with other atoms in order to gain more stability, which is gained by forming a full electron shell. By sharing their outer most (valence) electrons, atoms can fill up their outer electron shell and gain stability.
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In a chemical reaction, no outside atoms are used and no atoms are created or destroyed. In fact, the 'bonds' between the atoms are broken and then re-arranged in the chemical reaction to make the 'products' of the reaction.
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No, because the atoms have only 6 valence electrons, but need 8 for stability. ... Atoms. Chemical bonding begins with atoms, it does not produce them.
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Ionic compounds are formed when atoms of different charges (i.e. positive and negative ions) come together and form ionic bonds. ... Instead, the ions are held rigidly together in their organized crystal lattice structure, and that is why they are a solid under normal conditions.