Answer:
A_____PENCIL______ consists of a mixture of graphite powder (a form of carbon) and clay that is baked and hardened and encased in wood or paper. a. silverpoint b. pencil c. charcoal d. chalk e. paste
Explanation:
A pencil is a writing material, where the graphite is what gives the black color to the writing stroke.
Answer:
D.) decomposition
Explanation:
A.) is incorrect. In double-displacement reactions, the cation of one compound is swapped with the cation of another.
These reactions have the general structure: AB + CD -----> AD + BC.
B.) is incorrect. In single-displacement reactions, the an element within a compound is swapped with another element.
These reactions have the general structure: AB + C -----> AC + B.
C.) is incorrect. In synthesis reactions, two or more elements/compounds are combined to create a new and larger compound/molecule.
These reactions have the general structure: A + B -----> AB.
D.) is correct. In decomposition reactions, a compound/molecule is broken down into smaller elements/compounds. In the given reaction, water (H₂O) separates into its respective elements, hydrogen (H₂) and oxygen (O₂).
These reactions have the general structure: AB -----> A + B
Answer is 0.1565417867........
Answer:
Not sure if this will help or not but your answer might be: <u>36 electrons.</u>
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Answer:
a molecule is made of two or more atoms bonded together. h2o would be a molecule
Explanation: