Bonds Collection (page 9)

Protein structure, artwork
Protein structure. Computer artwork of alpha helices (coils) and beta sheets (ribbons) of the secondary structure of a protein

Atomic bonds, artwork
Atomic bonds, computer artwork

Heme group in haemoglobin, diagram
Heme group in haemoglobin. Diagram showing the heme group (centre) in the haemoglobin molecule (partly shown), the chemical unit that is responsible for the transport of oxygen in the blood

Glycogen units, molecular model. Glycogen is made from many glucose molecules linked by one of two types of glycosidic bonds

Chlorophyll, molecular model
Chlorophyll molecule. Computer model of the photoreceptor molecule chlorophyll a (C55.H72.Mg.N4.O5) found in green plants

Aspirin, molecular structure diagram
Aspirin. Diagram showing the molecular structure (left) and the chemical structure (right) of the painkilling drug aspirin (acetylsalycilic acid)

Graphene, molecular structure

Ivabradine drug molecule. Tubular molecular model of the drug ivabradine, used to manage angina pectoris, severe chest pain due to lack of blood to the heart

Graphene sheets, artwork
Graphene sheets, computer artwork. Graphene a single layer of graphite. It is composed of hexagonally arranged carbon atoms (spheres) linked by strong covalent bonds (rods)

Molecular model of ice
Ice. Molecular model of ice, the solid form of water. Each water molecule is made up of one oxygen atom (red ball) bonded to two hydrogen atoms (white balls)

Glucose models

Molecular model of quartz
Quartz. Molecular model of quartz, one of the most abundant minerals in the Earths crust. Quartz is a crystalline form of silica (silicon dioxide, SiO2)

Tertiary alcohol molecule. Molecular model of tertiary butanol (C4H10O), also known as tertiary butyl alcohol, trimethyl carbinol or 2-methyl propan-2-ol

Diamond structure. Molecular model of diamond, a form of the element carbon (C). Carbon atoms are shown as spheres (black) linked by covalent bonds (grey)

Generic molecule. In molecular models such as this, atoms are shown as spheres and the bonds between them as rods. Different atoms are coloured differently

Glycine molecule. Molecular model of the simplest amino acid glycine (C2H5NO2). Amino acids are the monomers or building-blocks of the larger protein molecules

Glucose isomer model

Ethanol and methoxymethane molecules. Molecular models of ethanol (CH3.CH2.OH, left) and methoxymethane (CH3.O.CH3). Both compounds contain the same atoms but in different arrangements

Ethane, ethene and ethyne molecules. Molecular models of ethane (C2H6, upper left), an alkane, ethene (C2H4, centre), an alkene, and ethyne (C2H2), an alkyne

Sulphanilamide molecule. Molecular model of sulphanilamide (C6H8N2O2S), also known as 4- aminobenzenesulphonamide. Carbon atoms are black, hydrogen are white, nitrogen are blue

Aniline molecule. Molecular model of aniline (C6H5NH2), also known as aminobenzene or phenylamine. In the model, carbon atoms are black, hydrogen are white and nitrogen is blue

Glyceraldehyde isomer models. Molecular models of the two isomeric forms of glyceraldehyde. D- glyceraldehyde (left) has a hydroxyl group (OH) on the right side of the asymmetric carbon atom

Nitrobenzene molecule. Molecular model of nitrobenzene (C6H5NO2). In the model, carbon atoms are black, hydrogen are white, nitrogen is blue and oxygen are red. Nitrobenzene is a colourless liquid

Silicon tetrafluoride molecule. Chemist holding a molecular ball-and-stick model of the tetrahedral structure of silicon tetrafluoride (SiF4) also known as tetrafluorosilane

Glucose isomer models. Molecular models of the glucopyranose form of glucose. Glucose (C6H12O6) is a hexose sugar. Glucopyranose has a five carbon ring and an additional asymmetric carbon atom

Rubber and gutta-percha molecular models
Molecular models of rubber and gutta-percha. These molecules are isomers. They have the same chemical fourmula but a different molecular structure

Alkane molecules. Molecular models of hexane (C6H14, right) and cyclohexane (C6H12). Carbon atoms are black and hydrogen atoms are white. Hexane is a colourless liquid that is insoluble in water

Alanine isomer models

TNT molecule. Molecular model of trinitrotoluene (TNT, formula C7H5N3O6), also known as 2, 4, 6- trinitromethylbenzene. In the model, carbon atoms are black, hydrogen are white

Alcohol molecules. Molecular models of four types of alcohol molecule. They are, clockwise from top left: methanol, ethanol, propan-2-ol and propan- 1-ol

Secondary alcohol molecule. Molecular model of secondary butanol (C4H10O), also known as butan-2-ol, secondary butyl alcohol or methylethyl carbinol

Ethyl acetate molecule. Chemist holding a molecular ball-and-stick model of the ester ethyl acetate (CH3.CO2.C2H5). This non-polar, volatile, colourless

Methoxyethane molecule. Molecular model of methoxyethane (CH3.CH2O.CH3), which contains one atom of oxygen (red), three carbon atoms (black) and eight hydrogren atoms (white)

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"Bonds: Uniting Nations, Empowering Victories" In times of turmoil and conflict, they have proven to be the cornerstone of resilience and victory. From the Liberty Loan posters during World War I, urging citizens to invest in their country's future, to the haunting images of London's Blitz in St Bride Street and Farringdon Street during World War II – they have transcended mere financial transactions. Even Austro-Hungarian War they were promoted through captivating posters that appealed to patriotism and solidarity. These visual reminders showcased how they are strengthen nations amidst chaos. Graphene, a revolutionary material with unparalleled strength and conductivity, exemplifies another kind of bond – one at an atomic level. Its potential has sparked innovation across industries as it promises breakthroughs in technology and science. War Bonds Posters from WWI featuring tanks depicted the symbiotic relationship between military might and public support. The call for investment was not only about financing war efforts but also fostering a sense of unity among citizens. Artistic expressions like Graphene sheet artwork C016/8274 remind us that bonds extend beyond monetary value; they connect ideas, cultures, and people on a deeper level. Similarly, German poster campaigns during WWI urged individuals to subscribe to the Sixth War Loan – emphasizing collective responsibility towards national defense. Nature itself showcases remarkable bonding moments; whether it is witnessing adult Mute Swans entwining their necks in courtship behavior or Great Northern Divers circling on lakes in a mesmerizing display of connection – these creatures teach us about love, loyalty, and companionship. Lastly, Buckminsterfullerene molecules symbolize yet another form of bonding - molecular structures coming together harmoniously to create something extraordinary. This discovery highlights how even at microscopic levels connections are vital for progress. Throughout history and nature alike we see that bonds hold immense power - uniting nations against adversity or sparking scientific revolutions. They remind us that when we come together, we can achieve greatness and overcome any challenge that lies ahead.