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Mendeleev attempted to organize the chemical elements based on their
copper
properties
the lanthanide elements
metals
Kr
Al, Mg, Li
noble gases
In, 49 protons, 49 electrons
In of the following sets is the symbol of the element, the number of protons, and the number of electrons given correctly?
copper
properties
the lanthanide elements
metals
Kr
Al, Mg, Li
noble gases
In, 49 protons, 49 electrons
What are the elements with atomic numbers from 58-71 in the periodic table called?
copper
properties
the lanthanide elements
metals
Kr
Al, Mg, Li
noble gases
In, 49 protons, 49 electrons
Which of the following categories includes the majority of the elements?
copper
properties
the lanthanide elements
metals
Kr
Al, Mg, Li
noble gases
In, 49 protons, 49 electrons
Which of the following groupings contains only representative elements?
copper
properties
the lanthanide elements
metals
Kr
Al, Mg, Li
noble gases
In, 49 protons, 49 electrons
Of the elements Pt, V, Li and Kr, which is a nonmetal?
copper
properties
the lanthanide elements
metals
Kr
Al, Mg, Li
noble gases
In, 49 protons, 49 electrons
Argon, krypton and xenon are
copper
properties
the lanthanide elements
metals
Kr
Al, Mg, Li
noble gases
In, 49 protons, 49 electrons
Which of the following elements is a transition metal?
copper
properties
the lanthanide elements
metals
Kr
Al, Mg, Li
noble gases
In, 49 protons, 49 electrons
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