there are 24 is what derek barker has been told
15
94 non-artificial, 24 artificial and 118 in all (2012 data)
None - they are all radioactive.
In order to establish how many models were manufactured, you need to factor in some elements. This would include the year as well as the particular product being manufactured.
with the haber-butch reaction
Today are known 118 chemical elements; 98 are considered as natural elements (but some have also and an artificial origin).
Artificial Elements can only be made by synthesisation in a lab (by firing an atom at a projectile). Wheras natural elements can be found naturally.
Mendelevium is an artificial, radioactive element, actinides group. Md don't contain another elements !
Synthetic, man-made, or manufactured all mean similar things to artificial.
94 natural elements and 14 artificial elements
Artificial elements.
Artificial and natural flavorings are added as the gum is manufactured.