(a)
Interpretation: Nonmetal from group 4A is to be identified.
Concept introduction:
The periodic table is a columnar structure that organizes different elements into groups based on how they behave. The elements in the periodic table of today are ordered according to the periodic law. The elements are organized in the modern periodic table in increasing order of their
(a)
Answer to Problem 50A
C
Explanation of Solution
Group 4A elements are carbon, silicon, germanium, tin, and lead. Among group 4A elements carbon is a nonmetal. The symbol of carbon is C.
Thus, the nonmetal of group 4A is C.
(b)
Interpretation: The inner transition metal with the lowest atomic number is to be identified.
Concept introduction:
The periodic table is a columnar structure that organizes different elements into groups based on how they behave. The elements in the periodic table of today are ordered according to the periodic law. The elements are organized in the modern periodic table in increasing order of their atomic number.
(b)
Answer to Problem 50A
Lanthanum (La)
Explanation of Solution
Lanthanides and Actinides placed in periods 6 and 7 respectively are called inner
(c)
Interpretation: All the non-metals for which atomic number is a multiple of five are to be identified.
Concept introduction:
The periodic table is a columnar structure that organizes different elements into groups based on how they behave. The elements in the periodic table of today are ordered according to the periodic law. The elements are organized in the modern periodic table in increasing order of their atomic number.
(c)
Answer to Problem 50A
B, Ne, P, Br, and At
Explanation of Solution
Nonmetals having an atomic number multiple of five are:
Boron (B): atomic number 5
Neon (Ne): atomic number 10
Phosphorous (P): atomic number 15
Bromine (Br): atomic number 35
Astatine (At): atomic number 85
(d)
Interpretation: Metal from group 5A is to be identified.
Concept introduction:
The periodic table is a columnar structure that organizes different elements into groups based on how they behave. The elements in the periodic table of today are ordered according to the periodic law. The elements are organized in the modern periodic table in increasing order of their atomic number.
(d)
Answer to Problem 50A
Sn
Explanation of Solution
Group 5A elements are nitrogen (N), phosphorous (P), arsenic (As), antimony (Sb), and Tin (Sn). Among 5A elements, Sn is a metal
Chapter 6 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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