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71Nitrogen — carbon ← nitrogen → oxygen ↑ N ↓ P …
72Oxygen — This article is about the chemical element and its most stable form, O2 or dioxygen. For other forms of this element, see Allotropes of oxygen. For other uses, see Oxygen (disambiguation). nitrogen ← oxygen → fluorine ↑ O ↓ …
73Propane — Not to be confused with propene. Propane …
74PowerPC — is a RISC instruction set architecture created by the 1991 Apple–IBM–Motorola alliance, known as AIM . Originally intended for personal computers, PowerPC CPUs have since become popular embedded and high performance processors. PowerPC was the… …
75Transport in Singapore — Transportation within Singapore is mainly land based. Almost all parts of Singapore are accessible by road, including islands such as Sentosa and Jurong Island. The other major form of transportation within Singapore is rail: the Mass Rapid… …
76Urea — Urea …
77Nitrous oxide — N2O redirects here. For other uses, see N2O (disambiguation). Laughing gas redirects here. For other uses, see Laughing gas (disambiguation). Not to be confused with nitric oxide (formula NO) or nitrogen dioxide (formula NO2). For other uses, see …
78Motorola 68010 — as DIP. Motorola 68010 as PGA …
79Cysteine — Not to be confused with cystine. CYS redirects here. CYS may also refer to California Youth Symphony. L Cysteine …
80Butane — n Butane …
