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Why is carbon14 dating not accurate for estimating the age of materials more than 50.000 years old?
Too little carbon-14 remains after 50,000 years
What are the missing coefficients for respiration the conversion of gulcose and oxygen to carbon dioxide and water so that all atoms are conserved in the chemical reaction?
C6H12O6 +6O2 --->6CO2 +6H2OCheck to be sure:6 carbon | 6 carbon12 hydrogen | 12 hydrogen6 oxygen + 12 oxygen | 12 oxygen + 6 oxygen
Examples of contineous process?
examples of bacht
What are the examples of chemical fertilizers?
examples of fertilizers
Would any radioactive material remain after 10 half lives?
Yes. Well it depends on how much you start with. Numerically the exponential decay curve approaches zero without touching it, but in reality, matter is composed of elemental particles. Consider that at the end of 10 half lives, you had a single atom of Carbon14. So at 9 half lives, there should be 2 Carbon14 atoms. If you keep going, then at the start, you had 1024 atoms. And that is a teeny tiny amount. To put in perspective, if you have one mole of Carbon 14 (that is 14 grams) But there are 6.023 x 10^23 atoms. It would take 79 half-lives to get down to just a single atom of Carbon 14. In reality, it is a little more complex than this, but this should put it in perspective.
Does the carbon14 have more protons neutrons or electrons than carbon12?
It has the same number of protons and electrons, but two more neutrons.
How do you find the atomic weight on the periodic table?
On many Periodic Tables, the small number directly below the chemical symbol is the atomic mass. On mine, there is a small 12.011 under the large C for carbon. While most carbon is 12, there are naturally occurring carbon13 and carbon14, so this is an average mass of all naturally occurring isotopes, with the majority of isotopes being carbon12
What happens to the amount of nitrogen14 as the carbon14 decays?
Remains the same
How many carbon atoms are present in a mole of carbon12?
6.023 x 1023
An artifact is found that some are claiming is 30000 years old 3.1 percent of the original carbon14 is present The halflife of carbon14 is 5730 year?
Yes, but the dating is only off a little (500 years or so).
What Limitations are there of using carbon14 to date rocks?
The main limitations of using Carbon14 dating to find the age of something that is carbon base are firstly the possibility that carbon may be absorbed by some things making it more difficult to get an absolutely accurate age and secondly, with Carbon14 only having a half life of 5,568 years the maximum theoretical limit for detection is 100,000 years.
What is the mass number of carbon14?
Carbon is a non metallic element. Mass number of it is 12.
What do scientists use to determine a fossil's relative age?
Carbon14 dating (isotopic dating)
What percent of carbon14 is left after 5 half-lives?
3.125% would be left over.
How many protons neutrons and electrons are in carbon14?
7 protons, 7 neutrons and 7 electrons
Why is the atomic mass scale also called the relative atomic mass scale?
All atomic masses are determined by comparing them to the mass of an atom of carbon12. One atomic mass unit equals one twelfth the mass of an atom of carbon12. That's why its called relativeatomic mass.
What is nuclear isotopes?
A radioactive isotope is a form of an element that is unstable and eventually decays into a different element. For example, most Carbon has 6 protons and 6 neutrons, and is stable. This is called Carbon12.Carbon14 with 6 protons and 8 neutrons, is unstable and decays by releasing a beta particle from its nucleus to become a stable isotope, Nitrogen14. which has 7 protons and 7 neutrons.That refers to an isotope that is unstable - the atoms will decay after a while.
