Answer:
<h3>2. A</h3><h3>7. C</h3><h3>8. A</h3><h3>9. D</h3><h3>10. D</h3>
Explanation:
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Six !
Just count each element in the molecule (Since there are 4 hydrogen atoms, a carbon and an oxygen atom in this molecule of methanol.)
Answer:
Direct weighing means that an object is placed directly on a balance and the mass read. Weighing directly requires that the balance be carefully zeroed (reads zero with nothing on the balance pan) in order to obtain accurate results.
Explanation:
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Protons have a positive charge. It is also important to remember that electrons have a negative charge and neutrons are neutral.