Periodic Table Warm Up 1

15 Questions | By John_Mitchell_WV | Last updated: May 19, 2020 | Total Attempts: 116

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.

Questions and Answers

1.

Mendeleev arranged the chemical elements into rows in order of increasing atomic number. So that chemical elements with similar properties were in the same column (group).
- A.
  
  True
- B.
  
  False
2.

The first chemical elements to be identified were mainly_____.
- A.
  
  Gas
- B.
  
  Liquid
- C.
  
  Solid
- D.
  
  Plasma
3.

Check-mark the two elements that have similar properties in the list below.
- A.
  
  Lithium
- B.
  
  Potassium
- C.
  
  Sulfur
- D.
  
  Zinc
- E.
  
  Scandium
4.

_____ _____ was an English physicists which arranged chemical elements by using the atomic number.
- A.
  
  Henry Mosley
- B.
  
  Dmitri Mendeleev
- C.
  
  John Strutt
- D.
  
  William Ramsey
- E.
  
  Friedrich Dorn
5.

Sir William Ramsey discovered several noble gases. Choose those three noble gases from the list below.
- A.
  
  Helium
- B.
  
  Krypton
- C.
  
  Neon
- D.
  
  Xenon
- E.
  
  Hydrogen
- F.
  
  Fluorine
6.

Friedrich Dorn discovered the final halogen gas, Radon in 1900.
- A.
  
  True
- B.
  
  False
7.

In what year did Dmitri Mendeleev pubish his periodic table of chemical elements? (Please enter a number from 1700 - 1900.)
8.

How did Mendeleev organize the elements into rows (periods) and columns (groups) in his periodic table?
- A.
  
  Color of element
- B.
  
  Atomic Mass
- C.
  
  Atomic Number
- D.
  
  Electron Number
- E.
  
  Neutron Number
9.

What is the density of Gallium (Ga)? (Please enter your answer using numbers only, NO units.)
10.

In what year was Scandium (Sc) discovered?
- A.
  
  1785
- B.
  
  1879
- C.
  
  1887
- D.
  
  1852
11.

In what year was Germanium (Ge) discovered?
- A.
  
  1785
- B.
  
  1879
- C.
  
  1886
- D.
  
  1852
12.

Silicon will melt from the heat of your hands.
- A.
  
  True
- B.
  
  False
13.

(LED) Light Emitting Diodes contain Gallium (Gl).
- A.
  
  True
- B.
  
  False
14.

Check the three most correct answers that the French chemist Antoine van Lavoisier used to classify elements.
- A.
  
  Gases
- B.
  
  Metals
- C.
  
  Nonmetals
- D.
  
  Metalloids
- E.
  
  Actinides
- F.
  
  Inert Gases
15.

John William Strutt discovered a single noble gas. Choose the most correct of the noble gases from the list below.
- A.
  
  Helium
- B.
  
  Krypton
- C.
  
  Neon
- D.
  
  Xenon
- E.
  
  Argon
- F.
  
  Fluorine

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