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MODULE 1 PROBLEM SET Questions with Correct Solutions

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MODULE 1 PROBLEM SET Questions with Correct Solutions

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MODULE 1 PROBLEM SET Questions with Correct Solutions


Question:
1. What is matter, and what state can it exist in?

Answer:
Matter is anything that takes up space by having volume and mass. It can exist in a solid,
liquid, gas or plasma state. All matter is made up of certain basic substances called elements.


Question:
2. Explain the difference between essential and trace elements

Answer:
Essential elements are required for human life. Trace elements are required only in small
quanities.


Question:
3. Describe Ionic bonds

Answer:
Generated based on the attraction between oppositely charged particles.


Question:
4. Describe Covalent bonds

Answer:
Occurs when electrons are shared by 2 atoms to complete the valence shells of both.


Question:
5. Describe Hydrogen bonds

Answer:
Forms a relatively weak bond that is easily broken.


Question:
6. True or False: Anions are positively charged ions and cations are negatively charged ions

Answer:
False. Anions are negatively charged ions while cations are positively charged ions.


Question:
7. What organic compounds make up biomacromolecules?

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