Ionic Bonding
Covalent Bonding
Intermolecular Forces
Ionic Bonding In The Real World
Covalent Bonding In The Real World
100
Anions tend to be _____ and cation tend to be ______
nonmetals, metals
100
What are covalent bonds
A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms.
100
Rank all electrostatic forces from weakest to strongest
Intermolecular forces, covalent bond, ionic bond
100
What explains the very high melting and boiling point of water?
strong hydrogen bonds between water molecules
100
An ionic bond forms between___
positive ions and negative ions
200
What is the formula for the ionic compound between Mg and S?
MgS
200
Covalent bonds usually occur between
non metals
200
Intermolecular forces are strongest in what state?
solids
200
Which is the second strongest intermolecular force, after hydrogen bonding?
dipole-dipole interaction
200
Typically, when two atoms form a chemical bond, the expected result is that the electrons___
will complete a noble gas configuration for both atoms
300
Elements in the periodic table are grouped by___
their valence electrons
300
Which bond is more covalent and why? C-H or O-H
C-H because the electronegativity difference is smaller between the atoms
300
What is a dipole?
a dipole is a polar molecule
300
In general, bonds between a metal and a nonmetal are___
ionic bond
300
What type of diagram uses a single dot to represent an electron?
lewis diagram
400
What holds ionic bonds together?
Ions with opposite charges
400
Which one is an example of a covalent bond… water, sugar, carbon dioxide, or all of the above?
water
400
T or F: more electrons = stronger London dispersion forces
true
400
Any halogen needs __________ additional electron(s) to complete its octet
one
400
Typically, when forming a chemical bond, the goal is to achieve __________ electrons in the outermost energy shell?
8
500
An element of calcium (Ca^2+) could form a ionic bond with___
Te^2-
500
There are __________ paired and __________ unpaired electrons in the Lewis symbol
for a Nitrogen atom.
2,3
500
Ion dipole forces always require___
an ion and a polar molecule
500
When forming bonds, metals tend to___
lose electrons
500
This picture most likely depicts the arrangement of atoms in a
metal