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Which answer choice correctly names the element that Mendeleev predicted would be discovered and

placed in the aluminum column?

O sodium (Na)

O gallium (Ga)

helium (He)

carbon (C)

User Nemeth
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1 Answer

1 vote

Answer:

gallium (Ga)

Step-by-step explanation:

Initially called ekaluminum, of less atomic mass than rare earth elements; the ekaluminum, today knows that gallium (Ga); it was one of the 4 elements that Mendeleev predicted, and this Mendeleev leaves a space on the table to be placed in the aluminum column.

User Markthegrea
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