An irregular object with a mass of 18 g displaces 2.5 L of water when placed in a large overflow container. Calculate the density of the object.

Anions are negative charged ions

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).

The answer is c - the principal of original lateral continuity. 

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