Know the difference between an ion and a molecule

Ions are atoms or molecules that have gained or lost one or more of their valence electrons and therefore have a net positive or negative charge, while molecules are groups of two or more atoms that are chemically bonded.

Explanation:

what are the two models

explanation:

here is table 2-2:

country

percent of eligible voters that voted

rank

united states

44.9%

138

canada

60.1%

107

costa rica

84.6%

14

hungary

66.9%

82

japan

57.0%

118

egypt

27.7%

159

south africa

85.5%

10

ans is no, the data set cannot be plotted as a single circle graph