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the attractive force that holds two atoms together
in a more complex unit. |
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| a chemical bond formed through the transfer of one or more electrons from one atom or group of atoms to another atom or group of atoms |
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| a compound in which ionic bonds are present |
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| is a chemical bond formed through the sharing of one or more pairs of electrons between two atoms |
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| A molecular compound is a compound in which covalent bonds are present. |
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is an electron in the outermost electron shell of a representative element or noble-gas element.
Participates in bonding. |
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| Lewis electron dot symbol |
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The chemical symbol of an element surrounded
by dots equal in number to the number of valence electrons present in atoms of the
element. |
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an identifier used to describe the column of the standard periodic table in which the element appears.
Example:
Group 1: alkali metals
Group 2: alkaline earth metals
Group 17: halogens
Group 18: noble gases |
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The valence electron shell
where bonding takes place |
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| In forming compounds, atoms of elements lose, gain, or share electrons in such a way as to produce a noble-gas electron configuration for each of the atoms involved |
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| a group of atoms/ions that have the same number of electrons. Examples. N3-, O2-, F- |
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| the electrical charge of an ion |
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is an ionic compound in which one element present is a
metal and the other element present is a nonmetal. The metal is always present as the
positive ion, and the nonmetal is always present as the negative ion. |
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consists of three compounds usually an element (i.e. metal) and a polyatomic ion.
e.g. of ploy atomic ion Nitrate (NO3), Chlorate(ClO3), Chloric (ClO4), Sulphate (SO4) |
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| A polyatomic ion is a molecule made up of 2 or more atoms that bears ionic groups, that is, a molecule with a charge. |
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| How many bonds can O form? |
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| How many bonds can H form? |
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intermolecular force that occurs between polar
molecules. |
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| a lone pair is a valence electron pair which is not shared with another atom and is sometimes called a non-bonding pair. |
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| a lone pair is a valence electron pair which is not shared with another atom and is sometimes called a non-bonding pair. |
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Single Bonds
Double Bonds
Triple Bonds |
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bond with one pair of electrons
bond with 2
bond with 3 |
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.A sigma bond is just a single bond.
2.When you have a double bond, you have 1 sigma bond and 1 pi bond.
A pi bond is any bond formed after the single bond is formed |
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mono
di
tri
tetra
penta
hexa
hepta
octa
nona
deca |
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| the idea that atomic orbitals fuse to form newly hybridized orbitals, which in turn, influences molecular geometry and bonding properties. |
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| hat describes the tendency of an atom or a functional group to attract electrons (or electron density) towards itself |
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| a process or reaction in which the system absorbs energy from its surroundings in the form of heat |
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| the total amount of energy is a loss (it takes more energy to start the reaction than what you get out of it) |
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| change in dimensions of a material resulting from a change in temperature. |
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| an action or object coming from within a system |
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| experimental observations about gas |
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| a chemical or physical reaction that releases heat |
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| pressure of a vapor in thermodynamic equilibrium with its condensed phases in a closed container. |
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| a measure of the relative volume change of a fluid or solid as a response to a pressure (or mean stress) change. |
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