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Names were given to gallium and germanium by mendeleev because he thought that these elements will have similar properties as that of aluminium and silicon ,respectively. |
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Answer» blank spaces for the UNDISCOVERED elements (atomic MASSES, ELEMENT: 44, scandium; 68, gallium; 72, germanium; & 100, technetium) so that certain elements can be grouped together. However, Mendeleev had not predicted the noble gases, so no spots were left for them. |
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