The oxide of the chemical composition of an element of the third group has a relative molecular
| May 8, 2021 | education
The oxide of the chemical composition of an element of the third group has a relative molecular weight of 70. Name the chemical element.
To solve this problem, you just need to look at the periodic system of chemical elements. In group 3 (column III) there are several elements, but the relative molecular weight = 70 only for gallium (Ga).
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