Periodic table: Can you identify all the elements?

Questions

1. Who is credited with creating the first periodic table?
2. What is the atomic number of Carbon?
3. Elements in the same group (column) of the periodic table share what common property?
4. Which element has the chemical symbol ‘O’?
5. What are the two main categories of elements found in the periodic table?
6. Which element is represented by the symbol ‘Fe’?
7. The periodic table is arranged in order of increasing what?
8. Name the noble gas that is used in lighting and has the atomic number 10.
9. Which element is the lightest metal on the periodic table?
10. What is the name of the periodic table’s horizontal rows?

Answers

1. Dmitri Mendeleev
2. 6
3. They have the same number of valence electrons or similar chemical properties
4. Oxygen
5. Metals and nonmetals (including metalloids)
6. Iron
7. Atomic number
8. Neon
9. Lithium
10. Periods