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chemical bonds quiz

12/10/14 chemistry

what is a chemical bond an attractive force between atoms or ions that binds them together as a unit (ionic compound, molecule, metal)
why do chemical bonds form bc 1.potential energy is lowered 2.stability of the system increases
what is ionic bonding a bond between positively charged ions (cations) and negatively charged ions (anions)
what is usually formed in ionic bonding a solid
what is ionization atoms gain or lose valence electron(s) and become charged (an ion)
what is oxidation an atom loses electron(s). a cation is formed
what is reduction an atoms gains electron(s). an anion is formed
what are the two types of ionization oxidation and reduction
metals are easily ______, forming positive ions oxidized
non-metals are easily _____, forming negative ions reduced
what is an oxidation number a + or - number assigned to an atom according to an arbitrary set of rules.
crystalline solids are normally ____ bonding ionic
what type of bonding is formed between a metal and a nonmetal ion due to very different electronegativities ionic
what is covalent bonding sharing of one or more electron pairs between two atoms, bonds are never purely ionic
HOFBRINCLS are examples of .....? covalent bonding
what is metallic bonding seen between metal atoms
what does metallic bonding result from the attraction between positively charged metal ions and the surrounding mobile electrons
what is the location of the electrons in metallic bonding they're delocalized, free to move around and not belong to only one ion
what is the electron sea one plane of ions in a metal can slide past another without breaking bonds because of the electron sea (enabling ductility, malleability, and electron conductivity)
what happens to ionic crystals when they try to bend they shatter !
what does the melting point, boiling point, and hardness of a compound depend on? how strongly its representative particles are attracted to each other
how are ionic bonds formed electrons are transferred from metal to nonmetal
how are covalent bonds formed electrons are shared between two nonmetals
how are metallic bonds formed electrons are deloclaized among metal atoms
type of structure of ionic bonds crystal lattice
type of structure of covalent bonds true molecules
type of structure of metallic bonds "electron sea"
physical state of ionic bonds solid
physical state of covalent bonds solid, liquid, or gas
physical state of metallic bonds solid (except Hg)
melting point of ionic bonds very high
melting point of covalent bonds mostly low
melting point of metallic bonds high
are ionic bonds soluble in water yes (many)
are covalent bonds soluble in water depends on polarity
are metallic bonds soluble in water no
which bonds are odorous covalent
properties of metallic bonds metallic, ductile, lustrous
Created by: d0402774