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Carbon, hydrogen, nitrogen, and oxygen are different elements based on their atomic properties. Carbon has an atomic number of 6, hydrogen has 1, nitrogen has 7, and oxygen has 8. They differ in the number of protons, electrons, and neutrons they have, which affects their chemical behavior and the types of compounds they can form. Each element also plays unique roles in biological processes and in the composition of molecules.
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How and why do the bonds between hydrogen and oxygen in water differ from bonds between hydrogen and carbon?
Hydrogen bonding exists between hydrogen and oxygen in water, becuase of the huge electronegativity difference between oxygen and hydrogen. This arises, due to the huge electron affinity of oxygen. Such interaction is not possible between carbon and hydrogen, as athe carbon is not as electronegative as oxygen.
Which one doesn't have a shortterm biogeochemical cycle carbon nitrogen oxygen phosphorus?
Carbon has both short-term and long-term biogeochemical cycles, while nitrogen, oxygen, and phosphorus have primarily long-term biogeochemical cycles. These elements are cycled through various reservoirs in the environment, but the rates at which they move through these cycles differ.
What are the five main elements in the human body?
Short Answer:The 4 atoms, O, C, H and N are about 96% of our mass, but with calcium added in the group of 5 represents more than 97% of the body mass of the average person.Accounting by Mass:The mass of the human body is provided mostly by oxygen, carbon, hydrogen, nitrogen. Together these elements account for about 96% of the mass of a human.Add in about a kilogram of calcium in the bones and body fluids and you are up to 97.4%. All of this depends on the particular person since water, our major component, can differ by 10% from one individual to another.That said, typically the breakdown goes like this.Oxygen: 65% of the massCarbon: 18% of the massHydrogen: 10% of the massNitrogen: 3% of the massCalcium: 1.4 % of the massPhosphorus 1.1% of the massWith phosphorus, one has accounted for 98.5% of the mass of the typical human and that will change by a couple of tenths from person to person.Accounting by Numbers:Numerically we have nearly twice as many hydrogen atoms in our bodies as compared to all other elements combined. Specifically, hydrogen counts as 63% of our atoms by number, give or take a bit, but being so light it barely gets to 10% of our mass. Oxygen atoms count as 24% and carbon atoms are a mere 12% of the populations. Together, our three basic organic building blocks account for 99% of all the atoms in the body.Caveat:As was said above, the water content of the human body weight varieties between 55 to 65 % from one person to the next and being the major component changes the numbers above a little for each individual.Summary:Almost 99% of the mass of the human body is made up of the six elements oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus.Most of the last 1% is made up of five elements: potassium, sulfur, sodium, chlorine, and magnesium, but a tenth of a percent or so is made up of another dozen or so elements which include those recognized as essential to health such as iron, iodine and fluorine as well as beneficial trace elements like manganese, copper and zinc.
How does the composition of a mixture of hydrogen and oxygen differ from the composition of a compound containing hydrogen and oxygen?
A mixture of hydrogen and oxygen consists of particles of both elements physically combined, maintaining their individual properties. In contrast, a compound containing hydrogen and oxygen forms chemical bonds to create a distinct substance with unique properties, such as water (H2O).
What makes a hydrogen bond unique and how does it differ from other types of chemical bonds?
A hydrogen bond is unique because it forms between a hydrogen atom and a highly electronegative atom like oxygen or nitrogen. This bond is weaker than covalent bonds but stronger than van der Waals forces. Unlike other chemical bonds, hydrogen bonds do not involve the sharing of electrons between atoms.
How does the structure of proteins differ from the structure of carbohydrates?
Proteins, carbohydrates and fats (lipids) all have the elements carbon, hydrogen and oxygen in them. However, on top of that, protein ALSO has nitrogen in it, and this is how it differs.
How do proteins differ from fats (lipids) in their chemical composition?
Proteins, carbohydrates and fats (lipids) all have the elements carbon, hydrogen and oxygen in them. However, on top of that, protein ALSO has nitrogen in it, and this is how it differs.
Do oxygen nitrogen carbon boron have similar physical and chemical properties?
Oxygen, nitrogen, carbon, and boron differ in their physical and chemical properties. Oxygen and nitrogen are nonmetals, while carbon can exist in different forms (such as graphite and diamond). Boron is a metalloid. Each element has distinct atomic properties that lead to differences in behavior and reactivity.
How and why do the bonds between hydrogen and oxygen in water differ from bonds between hydrogen and carbon?
Hydrogen bonding exists between hydrogen and oxygen in water, becuase of the huge electronegativity difference between oxygen and hydrogen. This arises, due to the huge electron affinity of oxygen. Such interaction is not possible between carbon and hydrogen, as athe carbon is not as electronegative as oxygen.
How does the CNO cycle differ from the proton-proton chain?
The CNO cycle uses carbon, nitrogen, and oxygen as catalysts to convert hydrogen into helium, while the proton-proton chain fuses hydrogen into helium directly. The CNO cycle is more efficient in high-mass stars while the proton-proton chain dominates in lower-mass stars like the Sun.
State one way in which a molecule of hydrogen and a molecule of oxygen differ?
One way in which a molecule of hydrogen and a molecule of oxygen differ is in their chemical formula. A molecule of hydrogen consists of two hydrogen atoms (H2), whereas a molecule of oxygen consists of two oxygen atoms (O2).
Which one doesn't have a shortterm biogeochemical cycle carbon nitrogen oxygen phosphorus?
Carbon has both short-term and long-term biogeochemical cycles, while nitrogen, oxygen, and phosphorus have primarily long-term biogeochemical cycles. These elements are cycled through various reservoirs in the environment, but the rates at which they move through these cycles differ.
How does the composition a mixture of hydrogen differ from the compound containing hydrogen and oxygen?
The compound is water - H2O; the molecule of hydrogen is H2.
How does the present atmosphere differ from earth original atmosphere?
The original atmosphere contained only nitrogen, carbon monoxide, carbon dioxide, methane, and water vapor. Today's atmosphere contains 78% nitrogen, 21% oxygen, 1% shared between argon, carbon dioxide, helium, methane, ammonia, and neon.
How did the primitive atmosphere differ from the atmosphere today?
As opposed to today's atmosphere, the Earth's early atmosphere would have been quite impossible for human life to thrive in. Today the atmosphere consists primarily of Nitrogen, Oxygen, and Carbon Dioxide, but early Earth's first atmosphere was probably made of Hydrogen and Helium.
How did the primitive atmosphere differ from atmosphere today?
As opposed to today's atmosphere, the Earth's early atmosphere would have been quite impossible for human life to thrive in. Today the atmosphere consists primarily of Nitrogen, Oxygen, and Carbon Dioxide, but early Earth's first atmosphere was probably made of Hydrogen and Helium.
How the did primitive atmosphere differ from your atmosphere today?
As opposed to today's atmosphere, the Earth's early atmosphere would have been quite impossible for human life to thrive in. Today the atmosphere consists primarily of Nitrogen, Oxygen, and Carbon Dioxide, but early Earth's first atmosphere was probably made of Hydrogen and Helium.
