Question

There are_________
elements known at present out of which__________occur in nature and_________are prepared artificially.​

Answer 1

Answer:115,92,23

Explanation:There are 115 elements known to us at present in which 92 are naturally occurring and 23 are prepared artificially. An element is composed of atoms of same kind. These elements are mildly distributed in the earth is crust in the face as well as combined form.