Concept explainers
(a)
Interpretation:
The given metal molybdenum needs to be classified as metal, non-metal or metalloid
Concept introduction:
Metals shows ductility, malleability, they are lustrous and are also good conductors of electricity. Metals are usually solids in room temperature.
Answer to Problem 92A
Molybdenum is a metal.
Explanation of Solution
The
In the periodic table, most elements located on the left side of the periodic table are metals.
Hence, molybdenum is a metal.
(b)
Interpretation:
The given metal bromine needs to be classified as metal, non-metal or metalloid.
Concept introduction:
Non-metals are usually very brittle; they have no luster and are not malleable. They are poor conductors of electricity and heat.
(b)
Answer to Problem 92A
Bromine is a non-metal.
Explanation of Solution
The atomic number of Bromine is 36. Bromine is located in group 17 of the p-block.
Bromine is a non-metal.
(c)
Interpretation:
The given metal arsenic needs to be classified as metal, non-metal or metalloid
Concept introduction:
Metalloids are brittle and have a shiny surface. They are good conductors of electricity. They exhibit properties of both metals and non-metals.
(c)
Answer to Problem 92A
Arsenic is a metalloid.
Explanation of Solution
The atomic number of Arsenic is 33. Arsenic is located in group 15 of the p-block.
Arsenic is a metalloid because as it exhibits the properties of both metals and nonmetals.
(d)
Interpretation:
The given metal neon needs to be classified as metal, non-metal or metalloid
Concept introduction:
Non-metals are usually very brittle; they have no luster and are not malleable. They are poor conductors of electricity and heat.
(d)
Answer to Problem 92A
Neon is a non-metal.
Explanation of Solution
The atomic number of Neonis 10. Neonis located in group 18 of the p-block. It is a noble gas.
Neon is a non-metal.
(e)
Interpretation:
The given metal cerium needs to be classified as metal, non-metal or metalloid.
Concept introduction:
Metals shows ductility, malleability, they are lustrous and are also good conductors of electricity. Metals are usually solids in room temperature.
(e)
Answer to Problem 92A
Cerium is a metal.
Explanation of Solution
The atomic number of cerium is 58. Neon is located in the lanthanide series.
Ceriumis a metal.
Chapter 16 Solutions
Chemistry: Matter and Change
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