How many elements are in this compound? Rb3PO4

4

2

3

1

The three unique elements in this compound are

For each molecule, there are three elements of Rubidium, one Phosphorus, and four elements of oxygen.

Side note: The compound is known as Trirubidium phosphate. The "tri" indicates 3 Rubidium atoms, and the phosphate part is

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.

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