Question

At present, _________ elements are known, of which _______ are naturally occurring elements.

• A. 114,92
• B. 114,94
• C. 118,94
• D. 118,92

Answer 1

Answer:

C. 118,94

• As of 2023, 118 elements are known, of which 94 are naturally occurring elements.

• These 94 elements have been discovered throughout the universe, in the spectra of stars and supernovae, when short-lived radioactive elements are created.

• The first 94 elements have been found directly on Earth as primordial nuclides present from the birth of the Solar System, or as fission or transmutation products of uranium and thorium.