Answer:materials that impede the free flow of electrons from atom to atom and molecule to molecule.
Answer:
the mass number decreases by 4 and the atomic number decreases by 2
Answer:
Magnesium carbonate doesn't dissolve in water, only acid, where it will effervesce (bubble).
Explanation:
An insoluble metal carbonate reacts with a dilute acid to form a soluble salt. Magnesium carbonate, a white solid, and dilute sulfuric acid react to produce magnesium sulfate. Colourless magnesium sulfate heptahydrate crystals are obtained from this solution.
Answer:
The answer is #1
Explanation:
oil does not come out of valcanos
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