Multiple Bonds

Multiple Bonds

 

a type of chemical bond formed by two or three electron pairs that are common to two directly bonded atoms, such as in ethylene H2C=CH2, formaldehyde H2C=O, acetylene HC=CH, and hydrogen cyanide H—C=N.

References in periodicals archive ?
Nigeria, Senegal, and CAaAaAeA te d'Ivoire, to name a few, sold multiple bonds on t international capital markets in 2017.
The researchers have reported the first examples of thorium--a radioactive actinide metal--forming multiple bonds to arsenic at ambient temperatures.
The Foreign Office said relationship of Pakistan with Saudi Arabia was special by virtue of multiple bonds of religious affinity, culture and the 2.
According to the statistics of the Central Bank of Lebanon, from 1975 to 2015, the country received more than $50 billion in the form of direct and indirect aid, in addition to multiple bonds," he said.
Typically, customers with multiple bonds are people in crisis, often women and children fleeing domestic violence and people with severe mental illness, she said.
But the answer he gave Castleberry to Underwood's other question was convoluted: "Oftentimes, there are multiple bonds issued by the same issuer in the same series that are divided amongst buyers," Lewis wrote in the April 7, 2009, email to Castleberry.
Homogeneous catalysis, characterization methods, and M-L multiple bonds are covered, finishing off with several chapters on applications and novel research in organic synthesis, energy chemistry, clusters and nanoparticles, paramagnetic and high oxidation-state complexes, and bioorganometallic chemistry.
Key statement: The invention relates to the use of polyorganosiloxanes having 3 or more siloxane units, which have one or more organic fractions R1, where R1 has one or more carbon-carbon multiple bonds and at least 4 carbon atoms, and wherein the presence of hydrocarbon fractions having a chain length of 5 to 50 carbon atoms is excluded, as additives in the processing of rubber.
2005) In Organosilicon Chemistry VI-From Molecules to Materials: New molecular systems with silicon-silicon multiple bonds (eds.
Another factor is that as investors build up their cat-bond portfolios, they fear a single event causing loss to multiple bonds in their portfolio, Lalonde said.
He said Afghanistan is a brotherly country, close neighbour, with which Pakistan has multiple bonds of affinity, adding Pakistan values friendly and brotherly relations with the people of Afghanistan.
As a result, Markit moves prices for specific CUSIPS for specific reasons, in contrast to the common practice of moving prices for multiple bonds in a credit rating basket at the same time.

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