1. what is the periodic table?\n2. list three elements from the periodic table.\n3. are there more elements…

1. what is the periodic table?\n2. list three elements from the periodic table.\n3. are there more elements that are not on the periodic table? explain your answer.

1. what is the periodic table?\n2. list three elements from the periodic table.\n3. are there more elements that are not on the periodic table? explain your answer.

Answer

Brief Explanations:

  1. The Periodic Table is a tabular display of the chemical elements, organized by atomic number, electron - shell structure, and recurring chemical properties.
  2. Three common elements are hydrogen (H), oxygen (O), and carbon (C).
  3. No, all known chemical elements are included in the Periodic Table. Newly discovered elements are added as they are confirmed, but currently, it encompasses all elements that have been identified.

Answer:

  1. A tabular display of chemical elements organized by atomic number, electron - shell structure, and recurring chemical properties.
  2. Hydrogen (H), Oxygen (O), Carbon (C)
  3. No. All known chemical elements are included, and new ones are added as discovered.