Problem 12
What is the term for the elements that belong to Groups IIIB-IIB (Groups 3-12)?
Problem 15
What is the term for the two series of elements that include Ce-Lu and Th-Lr?
Problem 17
What is the term for the elements on the left side of the periodic table?
Problem 18
What is the term for the elements on the right side of the periodic table?
Problem 20
Which nonradioactive elements are semimetals because their appearance resembles that of metals?
Problem 21
Identify the group number corresponding to each of the following families of elements: (a) alkali metals (b) alkaline earth metals (c) halogens (d) noble gases
Problem 22
Identify the group number corresponding to each of the following families of elements: (a) boron group (b) oxygen group (c) nickel group (d) copper group
Problem 23
According to IUPAC, what is the designation for each of the following groups indicated by the American convention? (a) Group IA (b) Group IIIA (c) Group VA (d) Group VIIA (e) Group IB (f) Group IIIB (g) Group VB (h) Group VIIB
Problem 24
According to the American convention using Roman numerals, what is the group number designation for each of the following? (a) Group 2 (b) Group 4 (c) Group 6 (d) Group 8 (e) Group 11 (f) Group 12 (g) Group 16 (h) Group 18
Problem 25
Refer to the periodic table and select the symbol of the element that fits each of the following descriptions: (a) the Group VA/15 semimetal in the fifth period (b) the sixth-period representative element with properties similar to Sr (c) the fifth-period transition element with properties similar to Ti (d) the lighter-than-air noble gas used in blimps and party balloons
