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Ch. 7 Vocab Ionic compounds and metals
Mrs. peck- vocabulary and Power Point
Terms in this set (42)
an ion that has a negative charge
an ion that has a positive charge
The force that holds two atoms together, may form an attraction of a positive ion for a negative ion or by sharing electrons(The attraction B/w positive and a negative ion)- opposite
a three dimensional geometric arrangement of particles in which each positive ion
an ionic compounds who's aqueous solution conducts and electric current.. The charges flow and conduct electricity.
The electrostatic force that holds oppositely charged particles together in an ionic compound
Compounds that contain ionic bonds
The energy required to separate one mole of the ions of an ionic compound which is directly related to the size of the ionic bonded and is also affected by the charge of the atom.
the simplest ratio of ions represented in an ionic compound
An ion formed from only one atom
The positive ir negative charge of a monatomic ion
The loss of electrons from the atoms of a substance; increases an atoms oxidation number
An ion made up of two or more atoms bonded together that acts as a single unit with a net charge.
The mixture of elements that has metallic properties; most commonly forms when the elements wither similar in size (substitution alloy) or the atoms of one element are much smaller than the atoms of the other (interstitial alloy)
The electrons involved in the metallic bonding that are free to move easily from one atom to the next throughout the metal and are not attached to a particular atom
Electron sea model
Proposes that all metal atoms in a metallic solid contribute to their valence electrons to form a "sea" of electrons and can explain properties of metallic solids such as malleability, conduction, and ductility.
The attraction of metallic cation of delocalized electrons
-Attraction of Negative and positive ions
-Valence Electrons form the bond
-react to get the e- configuration of a noble gas(full outer shell)
LOSS of electrons are ______ and then they are called _____. (they do this to become more stable to get noble gas conf.)
GAIN of electrons are ______ and they are called _____.(they do this to become more stable to get noble gas conf.)
Anions(to name and ion attach suffix- ide
Nonmetals GAIN # of e- to get __ valence electrons. (Ex: group 5a- gains 3 to = __)
Name the ionic charges
1+ 2+ 3+ SKIP 3- 2- 1- SKIP
Formation of an ionic bond LOSE to become _______ and GAINS to become _______.(oppositely charged ions)
Strength of the bond determines
High Melting/Boiling points
Energy absorbed. (Ionic bond formations are usually endothermic)
Determines what will break the bond
ionic compounds with metal +oxygen forms ____.The others are called ____.
Binary Ionic compound
- 1st metal, 2nd nonmetal
+ and - ions pack into repeating pattern
Ions surrounded by ions
Ternary Ionic Compounds
More than 2 elements.
one cation and a polyatomic ion
polyatomic ions ave more than 1 atom
(ammonium is the only +. Nearly all end in ITE or ATE.
Exceptions: hydroxcide,cyanide, peroxide)
A polyatomic ion with Oxygen(O) in it
With more O ends with ate and with less O it ends in ite.
ends in IDE.
1 Atom ion
How do you end a polyatomic?
smallest particle of an ionic compound (we must write it out like 1:1 or 1:2 for the formula UNIT)
Name the 2 different charges for IRON
Iron II(Fe+2) and Iron III(fe+3)
Name the 2 different charges for COPPER
Copper I(Cu1+) Copper II(Cu2+)
Metal atoms that close together- they overlap to form an ELECTRON SEA MODEL.
(Metallic Bonds..) Electrons are called _________
Metallic bond are held together by the attraction of positive____ to the delocalized ______
Metallic Bonds..) Because the outer e- can move each atom is a_____ _____
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