Using Döbereiner’s triadic relationship, calculate the mass of Ge based on values in the modern periodic table. Express your answer in atomic mass units to four significant figures.

B. a graduated substance

Must be negative.substance increases

Idon't know hope someone you

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).