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Question

Please list the elements here that are synthetic.If all is synthetic then u do not need to write down all the element names.Hydrogen,helium,lithium,berrylium,boron,carbon,nitrogen, oxygen,fluorine,neon,sodium,magnesium,aluminium,silicon,phosphorus,sulphur.

Answer 1

None of them

List of synthetic elements:

* Technetium, atomic number 43
* Promethium, atomic number 61
* Astatine, atomic number 85
* Francium, atomic number 87
* Neptunium, atomic number 93
* Plutonium, atomic number 94

(all elements with atomic numbers 1-94 are naturally occurring at least in trace quantities)

* Transuranium elements
o Americium symbol Am, atomic number 95
o Curium symbol Cm, atomic number 96
o Berkelium symbol Bk, atomic number 97
o Californium symbol Cf, atomic number 98
o Einsteinium symbol Es, atomic number 99
o Fermium symbol Fm, atomic number 100
o Mendelevium symbol Md, atomic number 101
o Nobelium symbol No, atomic number 102
o Lawrencium symbol Lr, atomic number 103
o Rutherfordium symbol Rf, atomic number 104
o Transactinide elements
+ Dubnium symbol Db, atomic number 105
+ Seaborgium symbol Sg, atomic number 106
+ Bohrium symbol Bh, atomic number 107
+ Hassium symbol Hs, atomic number 108
+ Meitnerium symbol Mt, atomic number 109
+ Darmstadtium symbol Ds, atomic number 110
+ Roentgenium symbol Rg, atomic number 111

Provisional names for recently observed synthetic elements:

* Ununbium symbol Uub, atomic number 112
* Ununtrium symbol Uut, atomic number 113
* Ununquadium symbol Uuq, atomic number 114
* Ununpentium symbol Uup, atomic number 115
* Ununhexium symbol Uuh, atomic number 116
* Ununoctium symbol Uuo, atomic number 118

Provisional name for the synthetic element not yet proven to exist:

* Ununseptium symbol Uus, atomic number 117

Answer 2

Well, synthetic probably means man-made in this case, right? We know all that hydrogen out in space is natural. I would say as a guideline most of the elements above uranium (atomic number 92) are primarily synthetic, but there are probably others, too.

Answer 3

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Answer 4

if by synthetic, you mean man-made, then the answer is all elements beyond Uranium (trans-uranium elements), that is, greater than atomic number 92.