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How many atoms of calcium and potassium will there be after 4.12 and times 105 years?
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A potassium 40 sample starts with 50 atoms and 1.25 billion years later there are 25 atoms What is the half life of potassium 40?
1.25 billion years: 25/50 or half the original atoms have disintegrated in 1.25 billion years, and that is the definition of half life.
If potassium was heated and then dissolved in water what would its PH balance be?
The symbol "ph" represents the potential of Hydrogen, measuring how basic or acidic a liquid is. If you add plain, pure Potassium, unless it bonds with Potassium atoms and changes the level of the Hydrogen in solution, I'm not sure it will affect the potential of the Hydrogen.Of course, I took chemistry many years ago. :)
What is the age of a mineral that contains 25 percent parent and potassium 40 and argon 40 and 75 percent daughter and the half life potassium 40 is 1.25 billion years?
It is 2.5 billion years.
Why is calcium carbonate so useful?
Because Calcium carbonate Contains a very powerful substance that can light up a whole city for 100 years.
Who is democratis and what was his theory of atoms?
Democratis was a greek philosopher who lived about 2500 years ago. He decied to think that everyting is made up of small things that can not be divided and he called them atomos which means uncut. He thought the atoms in liquids were round and smoothe but the atoms in solids were rough and prickley. He did nothing to prove this and later Aristotle decided falsely that there was no limit to how many times something can be divided (also with no evidence).
A potassium-40 sample starts with 50 atoms and 1.25 billion years later there are 25 atoms. What is the half-life of potassium-40?
1.25 billion years
A potassium 40 sample starts with 50 atoms and 1.25 billion years later there are 25 atoms What is the half life of potassium 40?
1.25 billion years: 25/50 or half the original atoms have disintegrated in 1.25 billion years, and that is the definition of half life.
If potassium was heated and then dissolved in water what would its PH balance be?
The symbol "ph" represents the potential of Hydrogen, measuring how basic or acidic a liquid is. If you add plain, pure Potassium, unless it bonds with Potassium atoms and changes the level of the Hydrogen in solution, I'm not sure it will affect the potential of the Hydrogen.Of course, I took chemistry many years ago. :)
How much potassium-40 would remain after three half lives?
Potassium 40 is an isotope with 19 protons (and electrons) and 21 neutrons. Potassium 40 accounts for around 0.012% of potassium and is fairly stable (half life of 1.25 billion years).Potassium 40 is an isotope with 19 protons (and electrons) and 21 neutrons. Potassium 40 accounts for around 0.012% of potassium and is fairly stable (half life of 1.25 billion years).Potassium 40 is an isotope with 19 protons (and electrons) and 21 neutrons. Potassium 40 accounts for around 0.012% of potassium and is fairly stable (half life of 1.25 billion years).Potassium 40 is an isotope with 19 protons (and electrons) and 21 neutrons. Potassium 40 accounts for around 0.012% of potassium and is fairly stable (half life of 1.25 billion years).
Four types of radiometric dating?
- Potassium-Argon method – Potassium-40 decays to argon and calcium.- Uranium-Lead method- Rubidium-Strontium method- Carbon-14 method – also known as carbon dating. The half-life of carbon-14 is only 5, 730 years so this method is mainly used for dating things from the last 50,000 years
What is half life of potassium-40?
The half life of potassium 40 is 1.3 billion years.
What is the half life of potassium-40?
The half life of potassium 40 is 1.3 billion years.
Why have the same atoms existed for millions of years?
the atoms have a cycyle
What is sufficient calcium?
The following table shows the need calcium for every age group. Ages Calcium 0-6 months 210 7-12 months 270 1-3 years 500 4-8 years 800 9-18 years 1300 19-50 years 1000 51+ years 1200
What is the age of a mineral that contains 25 percent parent and potassium 40 and argon 40 and 75 percent daughter and the half life potassium 40 is 1.25 billion years?
It is 2.5 billion years.
If a sample is 10740 years old and has 400 atoms how many atoms are there after the organisms died?
1,600
If you start with 60 atoms of uranium - 238 how many remain after 4470000000 years?
30 atoms
