What are synthetic elements

Chemistry

2 answers:

JulijaS [17]3 years ago

7 0

Answer: A synthetic element is 1 of 24 chemical elements that do not occur on earth

Explanation:

it is created by humans

kogti [31]3 years ago

6 0

Synthetic elements are radioactive elements do not occur in earth naturally but are artificially made isotopes, thus called as "synthetic", "man-made" or "artificial".

Explanation:

The elements having atomic numbers 95-118 are said to be synthetic elements. It is created by the bombardment of heavy element, such as uranium or plutonium, with alpha particles or neutrons.

All the synthetic elements are said to be unstable, decay at varying rate so they are not produced in large quantities their half lives starts from 15.6 million years to few hundred microseconds.

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How much carbon will turn into carbon 14 every year? Science Please help asap

saw5 [17]

Answer:

There are three naturally occurring isotopes of carbon on Earth: carbon-12, which makes up 99% of all carbon on Earth; carbon-13, which makes up 1%; and carbon-14, which occurs in trace amounts, making up about 1 or 1.5 atoms per 1012 atoms of carbon in the atmosphere.

Names: carbon-14, C-14, radiocarbon

Isotope mass: 14.003241 u

Half-life: 5,730 ± 40 years

Symbol: 14C

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