Table of Contents
What is the total number of atoms in an atom of K 42?
Answer | Explanation |
---|---|
1 | Potassium has 19 protons always 42-19=23 neutrons |
1 | A Copper ATOM has 29 electrons but it is an ion here so 28. |
4 | Fallen down snowman |
1 | Organic =carbon |
What is the decay mode of potassium 37?
Potassium – 37 decays by positron emission to form the unstable argon – 37. And then another positron emission finally yields chlorine -37 which is stable. Positron emission is a process where a proton is converted to a neutron, a positron and a neutrino.
What is the difference between the number of electrons in an atom of potassium?
A potassium atom, K is in its normal elemental state with 1 valence electron in it’s most outer shell. However the potassium ion has lost it’s valence electron and has therefore formed a positive action, K+ . It instead has 19 protons and 18 electrons, yielding a net positive charge.
How many protons neutrons and electrons does potassium 42 have?
This means that potassium alone contains 19 protons and electrons and 20 neutrons.
What is the atomic mass of potassium 37?
List of isotopes
Nuclide | Z | Isotopic mass (Da) |
---|---|---|
Excitation energy | ||
37K | 19 | 36.97337589(10) |
38K | 19 | 37.96908112(21) |
38m1K | 130.50(28) keV |
How many neutrons does K 39 have?
twenty neutrons
Potassium-39 has twenty neutrons.
Is potassium 42 stable?
Potassium-42, half-life 12.32 hrs, decays via beta(-) emission (3525.45 keV) to calcium-42, half-life stable.
Why is potassium 42 used as a tracer?
An artificially produced beta-emitting isotope of potassium having a half-life of 12.36 hours; it is used as a radioactive tracer in studies of potassium distribution in bodily fluids.
What is the number of electrons in potassium 37?
Name | Potassium |
---|---|
Number of Protons | 19 |
Number of Neutrons | 20 |
Number of Electrons | 19 |
Melting Point | 63.65° C |
How many electrons are in potassium?
19 electrons
b. This tells us that in an atom of K there are 19 protons and 19 electrons.
How is potassium-42 formed?
Potassium-42 is produced by neutron bombardment of natural potassium. Potassium-43 is produced by alpha bombardment of a natural argon target.
What is the mass of potassium-42?
List of isotopes
Nuclide | Z | Isotopic mass (Da) |
---|---|---|
Excitation energy | ||
41K | 19 | 40.961825258(4) |
42K | 19 | 41.96240231(11) |
43K | 19 | 42.9607347(4) |