92 are natural and then another 26 or so that are artificially made such as Uuq or Ununquadium.
88 different elements exist in nature.
scientists believe there are 118 different kinds of elements
elements that can exist in two or more different forms
No. There are 118 currently known elements, of which 98 exist in nature. The other 20 have only been produced in laboratories. Elements beyond that would be too unstable to exist.
92
NaHCO doesn't exist; NaHCO3 contain 4 elements.
Different elements have between 0 and 10 naturally occurring isotopes, and between about 3 and 25 if you also include artificially prepared and characterized ones.
Elements which exist in stars exist also in humans, the concentrations are very different. An exception is helium, an element without biological significance.
There are 90 elements that exist naturally.
11 elements exist as gas in ordinary conditions
LMNOP
It's made up of different element.