How many elements are on the periodic table as of 2018?

Related questions

1. What is S in the periodic table?
2. Are protons and electrons the same?
3. What is the table of elements chart?
4. How do you calculate atomic number?
5. What is the atomic size of an element?
6. What is difference between atomic mass and mass number?
7. What is the atomic mass of an element?
8. What are the five metals?
9. What is the heaviest planet?
10. What are the 25 elements?

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