(a) Interpretation: Two non-metals that can form more than four bonds should be located on the periodic table. Concept introduction: In order to form more than four bonds, an element should be able to expand its valence shell to occupy more than eight electrons. In some third row elements tend to form more than four bonds because of the existence of d sublevels. These d orbitals can accommodate more electrons.
(a) Interpretation: Two non-metals that can form more than four bonds should be located on the periodic table. Concept introduction: In order to form more than four bonds, an element should be able to expand its valence shell to occupy more than eight electrons. In some third row elements tend to form more than four bonds because of the existence of d sublevels. These d orbitals can accommodate more electrons.
Solution Summary: The author explains that two non-metals that can form more than four bonds should be located on the periodic table.
Two non-metals that can form more than four bonds should be located on the periodic table.
Concept introduction:
In order to form more than four bonds, an element should be able to expand its valence shell to occupy more than eight electrons. In some third row elements tend to form more than four bonds because of the existence of d sublevels. These d orbitals can accommodate more electrons.
Interpretation Introduction
(b)
Interpretation:
Two non-metals that can form maximum of four bonds should be located on the periodic table.
Concept introduction:
Group 4A elements can form maximum of four bonds.
Interpretation Introduction
(c)
Interpretation:
Two non-metals that form oxides that are gases at 250 C should be located on the periodic table.
Concept introduction:
Nonmetals in first-row and second-row elements forms oxides which are gases at room temperature.
Interpretation Introduction
(d)
Interpretation:
A non-metal that forms an oxide that is a solid at 250 C should be located on the periodic table.
Concept introduction:
Most of the nonmetals in third row and below form oxides which are solids at room temperature.
Which group(s) of the periodic table is (are) described byeach of the following general statements?(a) The elements form compounds of VSEPR class AX₃E.(b) The free elements are strong oxidizing agents and formmonatomic ions and oxoanions.(c) The atoms form compounds by combining with two otheratoms that donate one electron each.(d) The free elements are strong reducing agents, show only onenonzero oxidation state, and form mainly ionic compounds.(e) The elements can form stable compounds with only threebonds, but as a central atom, they can accept a pair of electronsfrom a fourth atom without expanding their valence shell.(f) Only larger members of the group are chemically active
Why is beryllium carbonate unusually unstable thermally as compared to the other carbonates of this group?
Does sodium sulphide and calcium permanganate and iron oxide and nitride oxide and carbon fluoride and nitrogen oxide contain a multivalent metal?
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