Respuesta :

osikbro

Answer:

A

Explanation:

CH4 has one carbon atom and 4 hydrogens, making a total of 5. MgO has 1 magnesium atom and 1 oxygen atom, making for a total of 2. NO2 has one nitrogen and two oxygens, or a total of 3. Finally, SO2 has one sulfur atom and two oxygen atoms, or a total of 3 as well. Therefore, the answer is A. Hope this helps!

Answer:

A Ch4

Explanation:

CH4 consists of one carbon atom and 4 hydrogen substances, representing a total of 5. MgO contains 1 atom of magnesium and 1 atom of oxygen, for a minimum of 2. There is one oxygen of NO2 or a total of 3 oxygen. SO2 also contains a single atom of sulphur and two atoms of oxygen, so a minimum of 3. The solution is A, thus.

Hope this helps.

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