- 1. About how many known elements are there?
A) 116 B) 140 C) 200 D) 90
- 2. True or false. The columns of the periodic table are called groups. Columns are vertical.
A) True B) False
- 3. Which of these things will you NOT find in the periodic table?
A) Atomic Orbital Radius B) Element Symbol C) Element Name D) Atomic Number
- 4. Which of these choices is NOT a family of elements?
A) Halogen B) Inert Gas C) Metal
- 5. True or false. Rows in the periodic table are called periods. Rows are horizontal.
A) True B) False
- 6. Elements are arranged on the periodic table by...
A) Atomic Number B) Neutrons C) Element Name D) Element Symbol
- 7. The atomic number of an element tells you the number of ________ in a neutral atom.
A) electrons and protons B) electrons and neutrons C) neutrons and protons
- 8. True or false. Although the order of elements is based on atomic number, vertical families share similar chemical properties.
A) True B) False
- 9. True or false. You will find metals on the right side of the periodic table.
A) False B) True
- 10. True or false. Hydrogen is an Alkali.
A) False B) True
- 11. What element has an atomic number of 1 and a symbol of H?
A) Iron B) Helium C) Silicon D) Hydrogen
- 12. What element has a symbol of Na?
A) Nickel B) Nitrogen C) Cobalt D) Sodium
- 13. What element has an atomic number of 6?
A) Carbon B) Chlorine C) Oxygen D) Neon
- 14. Which noble gas has a symbol of Ar?
A) Radon B) Argon C) Krypton D) Xenon
- 15. What does an element's atomic number on the periodic table indicate?
A) Number of electrons B) Number of protons C) Number of neutrons
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