Answer: The law of conservation of mass states that, during a chemical reaction, the total mass of the products must be equal to the total mass of the reactants.
Explanation:
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Color change
new substance formed
heat or light change
new smell
irreversible
Solid wood is a term most commonly used to distinguish between ordinary lumber and engineered wood, but it also refers to structures that do not have hollow spaces. Engineered wood products are manufactured by binding together wood strands, fibers, or veneers with adhesives to form a composite material.
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Answer:
Group 1
Explanation: because the compound has a formula of M2O , the number of valence electrons of M should be 1.
