History of the Periodic Table

1. Who organized the 33 elements that existed at the time into four categories in the 1700's?

• Antoine Lavoisier
• John Newland
• Lothar Meyer
• Dmitri Mendeleev

2. Who noticed that when elements were organized according to increasing atomic numbers, their properties repeated every 8th element?

• Antoine Lavoisier
• John Newland
• Lothar Meyer
• Dmitri Mendeleev

3. Who became the father of the periodic table?

• Antoine Lavoisier
• John Newland
• Lothar Meyer
• Dmitri Mendeleev

4. Who noticed that by arranging the table according to increasing atomic numbers, problems with the order of the elements would be solved?

• Antoine Lavoisier
• John Newland
• Henry Moseley
• Dmitri Mendeleev

5. The periodic repetition of chemical and physical properties of the elements when they are arranged by increasing atomic number is called...

• Periodic table
• Law of Mass
• Periodic Law
• Organizing Law

6. What is the name or the vertical rows (up and down) in the Table of Elements?

• Groups
• Periods
• Friends
• Rows

7. What is the name or the horizontal rows (left to right) in the Table of Elements?

• Groups
• Periods
• Friends
• Family

8. Matter can exist in the form of elements, compounds and mixtures. (In the Video)

• True
• False

9. Dobereiner's triads are groups of 5 elements, found in 1929 by Johann Wolfgang? (In the Video)

• True
• False

10. Newlands Octaves are 8 elements classified for having similar properties.

• True
• False