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Question Set: Atoms, Molecules, and Compounds

NGSS Science and Engineering Practices:

NGSS Crosscutting Concepts:

NGSS Disciplinary Core Ideas:

  1. In your own words, what is the difference between an element and a compound?
     
  2. How many protons do each of the following atoms have?
    1. oxygen (O)
    2. sodium (Na)
    3. chlorine (Cl)
    4. aluminum (Al)
       
  3. How many electrons does each of the following atoms have when they are neutral?
    1. oxygen (O)
    2. sodium (Na)
    3. chlorine (Cl)
    4. aluminum (Al)
       
  4. What are the elements with atomic numbers 12, 20, and 35?
     
  5. How many elements are in periods 4 and 5?
     
  6. In Period 4, there are 18 groups.
    1. What is the group number for the members of the scandium (Sc) group?
    2. What is the group number for the members of the zinc (Zn) group?
       
  7. Where are the nonmetals located on the table?
     
  8. Are there more metals or nonmetals? How many of each are there?
     
  9. Which noble gases are likely used in the sign for the Atomic Theater at the American Museum of Science and Energy (Fig. 2.17)?

 

<p><strong>Fig. 2.17.</strong> Sign for the American Museum of Science and Energy's Atomic Theater</p><br />

 

Table of Contents:

Exploring Our Fluid Earth, a product of the Curriculum Research & Development Group (CRDG), College of Education. University of Hawaii, 2011. This document may be freely reproduced and distributed for non-profit educational purposes.