5. what is the difference between covalent bonds and ionic bonds?
a - covalent bonds are formed between atoms to form molecules; ionic bonds are formed between atoms to form compounds.
b - covalent bonds involve the sharing of pairs between atoms; ionic bonds involve the sharing of single electrons between atoms.
c - covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the electrical attraction between atoms.
d - covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the sharing of protons between atoms.
8. an example of a van der waals interaction would occur is when
a - two polar covalent bonds react
b - an electron is lost from a hydrogen atom
c - electrons are not distrubuited in a symmetrical fashion in a molecule
d - overlapping occurs between hybrid orbitals
9. which of the following is responsible for the cohesive property of water?
a - hydrogen bonds between the oxygen atoms of two adjacent water molecules
b - covalent bonds between the hydrogen atoms of two adjacent water molecules
c - hydrogen bonds between the oxygen atom of one water molecule and a hydrogen atom of another water molecule
d - covalent bonds between the oxygen atom of one water molecule and a hydrogen atom of another water molecule
e - hydrogen bonds between water molecules and other types of molecules