Examples of 'hydrogen or fluorine' in a sentence
Meaning of "hydrogen or fluorine"
hydrogen or fluorine - It refers to a choice between two contrasting options or elements. It is often used in chemistry to compare the properties of these two elements
How to use "hydrogen or fluorine" in a sentence
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hydrogen or fluorine
Represents a hydrogen or fluorine atom and.
The other substituents are preferably selected from hydrogen or fluorine.
Is preferably hydrogen or fluorine.
Hence, hydrophobic surfaces can be saturated with atoms such as hydrogen or fluorine.
Represents a hydrogen or fluorine atom or a trifluoromethyl group ;.
Is a group selected from the following groups, is a hydrogen or fluorine atom or a methyl.
Represents a hydrogen or fluorine atom or a hydroxyl or methyl group ;.
A compound according to any preceding claim, wherein R2 represents a hydrogen or fluorine atom.
Represents a hydrogen or fluorine or chlorine atom ;.
In said particular preferred group R4 is in particular hydrogen or fluorine.
Is a hydrogen or fluorine atom or a methyl ;.
Compounds in which R3 is hydrogen or fluorine are preferred.
In said another outstanding group R4 is in particular hydrogen or fluorine.
R ₆ preferably represents a hydrogen or fluorine atom or an alkyl, alkoxy or trifluoromethyl group.
In another preferred embodiment R6 is hydrogen or fluorine.
See also
Hydrogen or fluorine atom ;.
In said further outstanding group R4 is in particular hydrogen or fluorine.
Represents 1 or 2 hydrogen or fluorine atoms ; the other substituents being defined as above.
In another preferred aspect R6 is hydrogen or fluorine.
Preferably, R1 is hydrogen or fluorine and more preferably hydrogen.
It is preferred that R5 is hydrogen or fluorine.
R ¹ is a hydrogen or fluorine atom ;.
X is haloalkyl ; and Y is hydrogen or fluorine.
R 3 represents a hydrogen or fluorine atom, a C 1-6 alkyl group or a trifluoromethyl group ;.
Further compounds of formula I are preferred, wherein R4 is hydrogen or fluorine.
More preferred R1 is hydrogen or fluorine.
Particular preference is given to compounds of formula I, wherein R2 is hydrogen or fluorine.
Preferably, R7 is hydrogen or fluorine.
Preferably, X is hydrogen, halogen or trifluoromethyl, and more preferably hydrogen or fluorine.
In particular A3 is hydrogen or fluorine.
A compound as claimed in any of claims 1 to 7 wherein X is hydrogen or fluorine.
Most preferably R13 is hydrogen or fluorine.
A compound according to any one of claims 1 to 7, wherein B is hydrogen or fluorine.
In certain embodiments R6 is hydrogen or fluorine.
R3a represents a hydrogen atom or methyl group and R3b represents a hydrogen or fluorine atom ;.
R1 and R1 ' respectively represent hydrogen or fluorine.
P is attached to Q vÃa carbon-carbon link ; and is hydrogen or fluorine.
A compound as claimed in claim 1 or 2 wherein R3 is hydrogen or fluorine.
X fluorine, chlorine or bromine, and Y hydrogen or fluorine.
A compound according to claim 7 wherein R2 is hydrogen or fluorine.
In said outstanding group, R4 is in particular hydrogen or fluorine.
The compound according to claim 1, wherein R1 is hydrogen or fluorine.
RA is hydrogen and RD, when present, is typically hydrogen or fluorine.
A compound according to claim 1 or claim 2 wherein R6 is hydrogen or fluorine.
A compound as claimed in any one of Claims 1 to 4 wherein R4 is hydrogen or fluorine.
A compound of formula ( I ) as defined in claim 1, in which Z represents a hydrogen or fluorine atom.
The uracil compound according to any of Claims 1 to 6, wherein X2 is hydrogen or fluorine.
A compound of formula I according to claim 1, wherein R4 is hydrogen or fluorine.
In a compound of formula I, R2 is preferably hydrogen or fluorine.
The compounds as claimed in any of claims 1 to 4, wherein R3 is hydrogen or fluorine.
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Examples of using Fluorine
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Elemental fluorine is highly toxic to living organisms
The process requires a source of fluorine gas
The ionic form of fluorine is called fluoride
Examples of using Hydrogen
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A molar hydrogen to carbon ratio of the fuel
An accident with a battery vehicle containing hydrogen
A molar hydrogen to carbon ratio in the fuel
