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What characteristics do atoms of argon-40 potassium-40 and calcium-40 have in common?
Argon-40, potassium-40, and calcium-40 all have 40 protons and electrons in their atoms, but they have different numbers of neutrons. They are all stable isotopes, although potassium-40 is radioactive and undergoes decay to form argon-40.
What are geological isobars?
potassium 40, Argon 40, Calcium 40.
How many neutrons in potassium 41?
the answer is 21. because you do 40-19
Is potassium 40 a stable isotope?
No, potassium-40 is a radioactive isotope of potassium. It undergoes radioactive decay with a half-life of about 1.25 billion years, emitting beta particles in the process.
What characteristics do atoms argon-40 potassium-40 and calcium-40 have in common?
Atoms argon-40, potassium-40, and calcium-40 all have 40 protons, but differ in the number of neutrons in their nuclei. They are all stable isotopes, with no natural radioactivity.
Which potassium salt K is the most soluble at 40 C and 80 C?
I suppose that this compound is potassium carbonate, K2CO3.
Which potassium salt is the least soluble at 40 C and at 80 C KBr or KCl?
At 40°C, KBr is less soluble than KCl. At 80°C, the trend may reverse, with KCl possibly being less soluble than KBr. The solubility of salts typically increases with temperature, so KBr may be the least soluble at both 40°C and 80°C.
Which potassium salt k is the most soluble at 40c and at 80 c?
Potassium nitrate (KNO3) is the most soluble potassium salt at both 40°C and 80°C due to its high solubility in water. Potassium chloride (KCl) and potassium sulfate (K2SO4) are less soluble at these temperatures compared to potassium nitrate.
What compound is least soluble at 40 degrees Celsius?
The answer will depend on what the solvent is.
What is emitted when potassium -40 decays?
Potassium-40 decays by emitting a beta particle, which is an electron. This decay process transforms potassium-40 into calcium-40.
Explain how you would calculate the number of neutrons in potassium -40?
To calculate the number of neutrons in an atom of potassium-40, subtract the atomic number (which is 19 for potassium) from the mass number (which is 40 for potassium-40). So, 40 (mass number) - 19 (atomic number) = 21 neutrons in potassium-40.
How is table salt iodized What is the percentage of added salt to convert non-iodized salt into iodized salt Which one sodium iodide or potassium iodide is more commonly used?
Table salt is iodized by adding a small amount of iodine, typically in the form of potassium iodide or sodium iodide, to non-iodized salt. The common percentage of iodine added is about 0.01% to 0.1% of the salt's weight, which translates to roughly 20-40 mg of iodine per kilogram of salt. Potassium iodide is more commonly used in iodization processes due to its stability and solubility.
How you calculate the number of neutrons in potassium-40?
By subtracting 19 (atomic number of Potassium) from 40. You should come out with 21, which is the number of neutrons in potassium-40
How do you prepare 40 percent of potassium sodium tartrate?
To prepare a 40% solution of potassium sodium tartrate, you would need to weigh out the appropriate amount of the salt and dissolve it in a specific volume of water to get the desired concentration. For example, to prepare 100mL of a 40% solution, you would mix 40g of potassium sodium tartrate with enough water to bring the final volume to 100mL.
What does the numbers 39 40 and 41 after the element name potassium refer to?
The numbers 39, 40, and 41 after the element name potassium refer to the mass number of the isotopes of potassium. Potassium has three isotopes: potassium-39, potassium-40, and potassium-41, which have 19, 20, and 21 neutrons respectively.
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.
