halogen atom in a sentence
1) In molecules with more than one halogen atom more complicated patterns appear.
2) The hydrogen atoms of the alkane are progressively replaced by halogen atoms.
atom collocations
3) As a consequence, halogen atoms are used to improve penetration through lipid membranes and tissues.
4) H is the hydrogen atom involved in HB, and X is the halogen atom involved in XB.
halogen atom example sentences
5) Isotope studies have been very helpful in studying the reactions of molecular oxygen with metal atoms or halogen atoms.6) The ionization potential of noble gases in their lowest excited state is close to the electron affinity of halogen atoms.
7) The physical properties of CFCs and HCFCs are tunable by changes in the number and identity of the halogen atoms.
8) As compared to hydrogen bonding, the halogen atom takes the place of the partially positively charged hydrogen as the electrophile.
9) In secondary (2°) haloalkanes, the carbon that carries the halogen atom has two C–C bonds.
10) However, for Cl2 and Br2, the halogen atoms adds to remote C atoms due to steric factors.
11) In exactly the same way, an atom such as a halogen atom in a covalent molecule can show spin-orbit coupling.
12) However, the standard method for removing halogen atoms requires the use of stoichiometric organotin reagents, such as tributyltin hydride.
13) Reductive dehalogenation is a convenient method for removing halogen atoms that are introduced into a molecule by a method such as halolactonization.
14) Alkenes also react with halogens (X2) to form haloalkanes with two neighboring halogen atoms in a halogen addition reaction.
example sentences with atom
15) The chemical reactivity of halogen atoms depends on both their point of attachment to the lead and the nature of the halogen.16) The decrease presumably arises because the level of the lone pair on the halogen atom mixes with other levels of e symmetry in the alkyl halides.
17) We find a simple splitting into two states only for molecules in which there is a single halogen atom, lying on an axis of at least 3-fold symmetry.
18) In general, the boiling points are even more elevated by combination of halogen atoms because the varying size and charge of different halogens allows more intermolecular attractions.
19) In (V) bonding with an halogen atom is in principle, weak and atomic transfer is enhanced between Rg and R. This potential thus leads to the formation of the exciplex.
20) Generally, these reactions can describe the result of collisions of the noble gas atoms (Rg) and halogen donors (RX), where X is a halogen atom and R a radical molecule.
21) Thus, the rare gas halide molecules are formed by an ionic bond since the excited electron of the noble gas is partly transferred to the halogen atom.
22) Intramolecular 1,5-hydrogen atom transfer produces carbon-centered radical 24, which subsequently abstracts a halogen atom from the "N"-halogenated ammonium salt 22.
23) In 1863, Frederick Guthrie gave the first report on the ability of halogen atoms to form well-defined adducts with electron donor species.
24) An interesting difference between HB and XB is since halogen atoms are Lewis bases, a halogen atom can both donate and accept in a halogen bond.
25) An interesting difference between HB and XB is since halogen atoms are Lewis bases, a halogen atom can both donate and accept in a halogen bond.
26) halogen bonding (XB) is the non-covalent interaction that occurs between a halogen atom (Lewis acid) and a Lewis base.
27) halogen atoms such as F, Cl and Br add much density to the coating and therefore allow the coating to be a better diffusion barrier.
28) A number of kinetic studies also support a nucleophilic pathway in which the carbanion on the lithium species attacks the halogen atom on the aryl halide.
29) In this reaction a hydrogen atom is removed from the alkane, then replaced by a halogen atom by reaction with a diatomic halogen molecule.
30) In primary (1°) haloalkanes, the carbon that carries the halogen atom is only attached to one other alkyl group.
31) The main source of these halogen atoms in the stratosphere is photodissociation of man-made halocarbon refrigerants, solvents, propellants, and foam-blowing agents (CFCs, HCFCs, freons, halons).
32) Every technetium atom makes six bonds, and the remaining valence electrons can be saturated by one axial and two bridging ligand halogen atoms such as chlorine or bromine.
33) Additionally, derivatives have been made of phenolic compound, combretastatin A-4, an anticancer molecule, including nitrogen or halogens atoms to increase the efficacy of the treatment.
34) In drug discovery, the incorporation of halogen atoms into a lead drug candidate results in analogues that are usually more lipophilic and less water-soluble.
35) Many synthetic organic compounds such as plastic polymers, and a few natural ones, contain halogen atoms; these are known as "halogenated" compounds or organic halides.
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