Potassium Has Two Stable Isotopes: ³⁹ K, Which Has

question 13

Short Answer

Potassium has two stable isotopes: ³⁹ K, which has a mass of 38.96 amu and makes up 93.26 % of the natural potassium found; and ⁴¹ K, with a mass of 40.96 amu. What is the atomic weight of potassium?

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Definitions:

Hygiene Hypothesis

The theory that a lack of early childhood exposure to infectious agents, symbiotic microorganisms, and parasites increases susceptibility to allergic diseases by suppressing natural development of the immune system.

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A surgical procedure used to deliver a baby through incisions in the abdomen and uterus, often used when a vaginal delivery would put the baby or mother at risk.

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A chronic inflammatory condition of the airways in children, characterized by recurring episodes of wheezing, coughing, and difficulty breathing.

Hygiene Hypothesis

A theory suggesting that a lack of early childhood exposure to infectious agents, symbiotic microorganisms (such as those found in the gut), and parasites increases susceptibility to allergic diseases by suppressing the natural development of the immune system.