Asset Retirement Obligation, Accretion Expense. Amount of accretion expense recognized in the income statement during the period that is associated with asset retirement obligations. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.
Photo Credit Eising/Photodisc/Getty Images. Potassium is a metallic element, but it's most commonly found as part of a salt compound, rather than as a metal. Potassium, like many other metals, is a mineral that your cells need to function properly. The potassium in your body is completely in salt form, rather than in metallic form.
Number of Neutrons Melting Point Boiling Point Date of Discovery Crystal Structure. Element Groups: Alkali Metals Alkaline Earth Metals Transition Metals Other Metals Metalloids Non-Metals Halogens Noble Gases Rare Earth Elements Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page. Basic Information Name: Potassium Symbol: K Atomic Number: 19 Atomic Mass: 39.0983 amu Melting Point: 63.65 Â°C (336.8 K, 146.57 Â°F) Boiling Point: 774.0 Â°C (1047.15 K, 1425.2 Â°F) Number of Protons/Electrons: 19 Number of Neutrons: 20 Classification: Alkali Metal Crystal Structure: Cubic Density @ 293 K: 0.862 g/cm 3 Color: silvery Atomic Structure