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In the periodic table of the elements, each row of the table is called the period. The number of levels an atom has determines the period to which it belongs.
The periodic table of the elements is the ...
Lanthanides are a group of elements also called "rare earths" because they are in the form of oxides. They form the "internal transition elements" next to the actinides, with which ...
In the periodic table of the elements, each row of the table is called the period. The number of levels an atom has determines the period to which it belongs.
The periodic table of the elements is the ...
Lanthanides are a group of elements also called "rare earths" because they are in the form of oxides. They form the "internal transition elements" next to the actinides, with which ...
Lanthanides are a group of elements also called "rare earths" because they are in the form of oxides. They form the "internal transition elements" next to the actinides, with which ...
Lanthanides are a group of elements also called "rare earths" because they are in the form of oxides. They form the "internal transition elements" next to the actinides, with which ...
In the periodic table of the elements, each row of the table is called the period. The number of levels an atom has determines the period to which it belongs.
The periodic table of the elements is the ...
The periodic table of the elements is the way proposed by Dmitri Mendeléyev in 1869 to arrange the chemical elements, which are ordered by their atomic number, their electron configuration and ...
The periodic table of the elements is the way proposed by Dmitri Mendeléyev in 1869 to arrange the chemical elements, which are ordered by their atomic number, their electron configuration and ...
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