I. What is molecular biology? 2. What are inorganic compounds? 3. What are organ
ID: 276550 • Letter: I
Question
I. What is molecular biology? 2. What are inorganic compounds? 3. What are organic compound 4. An element is defined as a substance thar 5. Instead of writing out the name of ench clemen, a system of atbreviations on representations has been adopted, which are callerd 6. Greek is one of the languages used for the abbreviations of the elements. Namse more 7. Name four elements that make up 96% of the mass of most organism 8. An element found in small quantities in living organisms is called 9. Name two items that make up the nucleus of an atom 10. The atomic number refers to the number of in an atom. 11. An atom has six protons and eight neutrons. Its atomic number is a. Its atomic mass is b. The name of the element is 12. In the periodic table, elements are arranged by what? 13. Isotopes differ from each other with respect to the number of 14. Chlorine has seven electrons in its valence shell. The number of electrons it wants to gain to complete its valence shell is: 15. How many molecules are in 6H20 16. What does it mean when a chemical reaction is at equilibrium? 17. Define a covalent bond 18. An atom becomes a cation if is does what? 19. 20. Define adhesive. 21. Define cohesion. 22. Why does water have a high heat of vaporization? 23. Why does ice float? 24. What causes capillarity and surface tension? 25. The cohesiveness between water molecules is due largely to: 26. What does the pH scale measure? 27. Define an acid? 28. Looking at the pH scale in Ch. 2 name four acidic solutions? 29. Looking at the pH scale in Ch. 2 name four base solution? 30. What do you get if you mix an acid with a base? 31. An acidophilic bacterium is called this because it loves? Think about pH. is the universal solventExplanation / Answer
Answer) it is a branch of biology which deals with structure and function of macromolecules like DNA and RNA proteins in cell.
Answer2)inorganic compound are those compounds which are not derived from living material.
Answer3) organic compounds are the derivative of carbon or derived from living material
Answer4)purely made up of 1 type of atom.
Answer 5) element symbols
Answer6 )