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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 ...
The transition metals are located in the central part of the periodic table. The name "transition" comes from a characteristic that these elements have to be able to be stable by themselves ...
The transition metals are located in the central part of the periodic table. The name "transition" comes from a characteristic that these elements have to be able to be stable by themselves ...
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 transition metals are located in the central part of the periodic table. The name "transition" comes from a characteristic that these elements have to be able to be stable by themselves ...
The transition metals are located in the central part of the periodic table. The name "transition" comes from a characteristic that these elements have to be able to be stable by themselves ...
Place the discovery of these chemical elements in chronological order.Enlarge or reduce the image with the zoom and adjust its size to the screen of your device. You can also act on the image and drag ...
Display the list and select the discovery of these chemical elements that correspond.Enlarge or reduce the image with the zoom and adjust its size to the screen of your device. You can also act on the ...
Click on the discovery of these chemical elements and drag them to the right places.Enlarge or reduce the image with the zoom and adjust its size to the screen of your device. You can also act on the ...
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