It’s C.valley formed from water erosion
The number of Zn particles (atoms of Zn ) in the first sample, and Zn ions are going to be the same,
Also mass of Zn are going to be the same, because of electrons are too small, and would not have influence on mass.
Answer:


Explanation:
Hello,
Considering the given reaction's stoichiometry, grams of oxygen result:

Moreover, the mass of produced carbon dioxide turns out:

Best regards.
Answer:
c MgO
Explanation:
product is located after the reaction arrow
Answer:
compounds are substance which can be formed by chemically combining two or more elements.
mixtures are substance that are formed by physically mixing two or more substances