exam 2

Question 1

sum of the atomic masses of the atoms (or ions) in a formula unit

Answer 1

formula weight

Question 2

the amount of substance that contains the same number of entities as there are atoms in exactly 12g of carbon 12

Answer 2

mole

Question 3

avogardos number

Answer 3

6.022x20^23

Question 4

average of the masses of the naturally occurring isotopes of an element weighted according to their abundance

Answer 4

formula weight

Question 5

the simplest formula that agrees with the element analysis and gives rise to the smallest set of whole numbers of atoms

Answer 5

empirical formula

Question 6

examples of empirical formula

Answer 6

CH4, C6H10O, C5H11

Question 7

the formula of the compound as it exists, it may be a multiple of the empirical formula

Answer 7

molecular formula

Question 8

reactions that form a solid(s) called a predicate, upon mixing two aqueous solutions

Answer 8

precipitation reactions

Question 9

ions in these equations that are not part of the precipitate

Answer 9

spectator ions

Question 10

a molecular equation is a chemical equation showing the complete, neutral formulas for every compound in a reaction

Answer 10

net ionic equations

Question 11

chemical equation showing all of the species as they are actually present in solution

Answer 11

complete ionic equation