8.4

Question 1

nonpolar covalent bond

Answer 1

when the atoms in a bond pull equally and the bondingelectrons are shared equally

Question 2

the bonding pairs of electrons in covalent bnods are pulled by their

Answer 2

nulei

Question 3

polar covalent bond

Answer 3

covalent bond in which the electrons are shared unequally

Question 4

the more electronegative atom attracts electrons

Answer 4

more strongly and gains a negative chage

Question 5

polar molecule

Answer 5

one end is slightly negative and one end is slightly positive

Question 6

dipolar molecule

Answer 6

a molecule that has two poles

Question 7

intermolecular attractions are

Answer 7

weaker than ionic or covalent bonds

Question 8

van der waals force

Answer 8

weakest attraction between molecules

Question 9

dipole attraction

Answer 9

when polar molecules are attracted to one another

Question 10

dispersion forces

Answer 10

weakest of all molecular attraction, caused by motion of electrons

Question 11

hydrogen bonds

Answer 11

musthave dipole, must have EN atonm, hydrogen must be bonded to an EN atom

Question 12

network solids

Answer 12

solids in which all of the atms are covalently bonded to eachother, do not melt unless 1000 C or higher

Question 13

example of network solid

Answer 13

diamond