Question

Which of the following statements is true?

The Periodic Table is organized in order of atomic number.
Elements in the same period have similar properties.
Substances in a mixture lose their unique properties.
Heterogenous mixtures are also called solutions.

Answer 1

Number 1 and number 2

Step-by-step explanation:

Answer 2

I believe it is

A) The Periodic Table is organized in order of atomic number.

I hope this helps :)