Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
33 Cards in this Set
- Front
- Back
|
The forces that hold atoms together in molecules, and ions together in ionic crystals
|
Chemical bonds
|
|
|
Electrons in the outermost shell are called...
|
Valence electrons
|
|
|
Electrons in the inner shells are called...
|
Core electrons
|
|
|
Which Noble Gas does NOT have an octet of electrons in its outermost shell?
|
Helium
|
|
|
Different atoms that have the same electronic configuration but are a different chemical species are called...
|
Isoelectronic
|
|
|
Electron-dot symbols are called...
|
Lewis symbols
|
|
|
Greenish-yellow gas used as a poison in WW 1...
|
Chlorine
|
|
|
The attractive forces between positive and negative ions...
|
ionic bonds
|
|
|
The rule that atoms are more stable with 8 valence electrons...
|
Octet Rule
|
|
|
Necative Ions are called...
|
Anions
|
|
|
Simple Ions of opposite charge can be combined to form...
|
Binary compounds
|
|
|
The bond formed by a shared pair of electrons...
|
Covalent bond
|
|
|
The name for the shared pair of electrons in a covalent bond...
|
bonding pair
|
|
|
Electrons that stay on one atom and are not shared are called...
|
Lone pairs...non-bonding pairs
|
|
|
A covalent linkage in which 2 atoms share 2 pairs of electrons...
|
Double bond
|
|
|
A covalent linkage in which 2 atoms share 3 pair of electrons...
|
Triple bond
|
|
|
A measure of the attraction of an atom in a molecule for a pair of shared electrons...
|
electronegativity
|
|
|
When the electrons in a covalent bond are not equally shared the bond is said to be...
|
Polar
|
|
|
When the electronegativity difference is between 0.5-2.0 the bond is...
|
polar covalent
|
|
|
When the electronegativity difference is greater than 2.0 what kind of bond is formed?
|
Ionic
|
|
|
When the electronegativity is less than 0.5 it forms what kind of bond?
|
nonpolar covalent
|
|
|
What type of ions are charged particles containing 2 or more covalently bonded ions?
|
Polyatomic ions
|
|
|
Theory used to predict the arrangment of atoms about a central atom?
|
VSEPR-Valence Shell Electron Pair Repulsion Theory
|
|
|
Name for a molecule with a positive end and a negative end...
|
Dipole
|
|
|
Name of molecule that has seperate centers of positive and negative charge...
|
Polar molecule
|
|
|
A liquid can change into a gas or vapor in a process called...
|
Vaporization
|
|
|
Vapor changes into a liquid in a process called...
|
Condensation
|
|
|
Substances may go from a solid state directly to a gaseous state, this is called...
|
Sublimation
|
|
|
Strong force that occurs between Hydrogen and another atom when the negative end of one dipole can closely approach the positiveend of another dipole..
|
hydrogen bond
|
|
|
An attractive force between the electron-rich end ofone molecule and the electron-poor end of the next...
|
Dispersion forces
|
|
|
An intimate..homogenousmixture of two or more substances..
|
solution
|
|
|
Name of the substance in a solution that is doing the dissolving...usually in greater amount...
|
Solvent
|
|
|
Name of the substance ina solution that is being dissolved..usually in lesser amount...
|
Solute
|
