Question

Pls help this is due today pls and thank u very mucho

Answer 1

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Actually Welcome to the Concept of the Physical Chemistry.

Elements are those things or chemicals, that are not mixed and are at the purest form, here

Zinc (Zn) and Hydrogen Gas (H2) are the two elements.

so option B.) is correct, Zn and H2

Answer 2

the second one

Step-by-step explanation:

because they are both elements