Welcome to the Electronic Learning Environment classroom for the 21st century. This warm up (bell ringer) relates to the organization of the chemical elements in the periodic table. I wish  you well and earn a high grade.  You have only 5 attempts to take the WARM UP.

5 Sample Questions

How many group using Roman Numerals make up the Periodic Table of Chemical Elements?

  • A. 9
  • B. 18
  • C. 32
  • D. 96
  • E. 132

Telescope mirrors are coated with _____ to produce a surface that reflects light extremely well.

  • A. gallium
  • B. aluminum
  • C. magnesium
  • D. barium
  • E. iron

What is the percent of Chlorine-35 as it occurs in nature?

  • A. 24.22%
  • B. 25.14%
  • C. 54.25%
  • D. 75.78%
  • E. 98.25%

Livermorium (LV) is chemical element 116.

  • A. True
  • B. False

It is a well known fact that Promethium (Pm) is radioactive.  Which statement is most correct?

  • A. Your instructor told you
  • B. The atomic mass appears (177)
  • C. The atomic number appears (61)
  • D. The chemical symbol is cursive written

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