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?
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?
