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What else can I help you with?
Are hydrogen bonds strong?
The term hydrogen bonding refers to a weak interaction between two molecules that contain an H atom bonded to a very electronegative atom, such O, N, and F. Hydrogen bonding does not occur within molecules, but rather between to molecules.Of course, the atoms of hydrogen can also form regular covalent or ionic bonds with other atoms to form molecules, and so these are in some sense hydrogen bonds, but that's not usually what people mean when they say the term "hydrogen bond."See the Web Links for more information about hydrogen bonding.
What types of bonds do water form?
Water can form hydrogen bonds, which are weak electrostatic attractions between positively charged hydrogen atoms of one water molecule and negatively charged oxygen atoms of another water molecule. These hydrogen bonds give water its unique properties such as high surface tension, high specific heat, and cohesive behavior.
Is ammonia a hydrogen bond?
No, ammonia does not form hydrogen bonds with itself. Hydrogen bonding occurs between molecules that have hydrogen bonded to an electronegative atom like oxygen, nitrogen, or fluorine. In ammonia, the nitrogen atom is already bonded to three hydrogen atoms.
How many hydrogen bonds can methanol form?
Well you have to consider how many it can "donate" and how many it can "accept". According to wikipedia water can form four. So considering methanol, the delta positive hydrogen can from one H-bond and the the two lone pairs on the oxygen can form one each. So it can form three hydrogen bonds. Don't worry about the hydrogens on the carbon they don't take part.
Compound forms hydrogen bonds?
Hydrogen bonds are formed between compounds containing a hydrogen atom covalently bonded to a very electronegative element. The only elements that are electronegative enough are fluorine, oxygen and nitrogen. The extreme difference in electronegativity causes the covalent bond between the atoms to polarize by attracting the centre of electron density towards the Hydrogen atom. This creates positive and negative ends of the compound. When the positive end of the compound (the Hydrogen atom) comes into contact with the negative end (the other element) of another compound (please note that the other compound must be the same compound or be capable of forming hydrogen bonds) it will form a temporary bond due to the differences in polarity (sign). This temporary bond is a hydrogen bond. Examples for compounds capable of forming hydrogen bonds are water (H2O), hydrogenflouride (HF) and the base pairs found in DNA.
Why are hydrogen bonds so so essential to the structure of DNA?
Hydrogen bonds hold the DNA bases together!
Which is stronger-hydrogen bond or chemical bond?
Chemical bonds are stronger than hydrogen bonds. Chemical bonds involve the sharing or transfer of electrons between atoms, forming strong connections, such as ionic, covalent, or metallic bonds. In contrast, hydrogen bonds are a type of intermolecular bond formed between a hydrogen atom and an electronegative atom, like oxygen or nitrogen, in a different molecule.
Will hydrogen always form an ionic bond or a covalent bond?
Hydrogen will usually form a covalent bond - so that it has a full valence electron level and so does the other thing it is bonding with (if the other thing only needs one more electron to complete its octet) however, in water, the hydrogen will form hydrogen bonds!
What holds DNA bases together?
DNA bases are held together by hydrogen bonds. Adenine pairs with thymine through two hydrogen bonds, while guanine pairs with cytosine through three hydrogen bonds. These interactions contribute to the stability of the DNA double helix structure.
What type of bonds holds the nitrogenous bases together in the DNA molecule?
your teacher will probably accept hydrogen bonds, however it is more of an attraction not a physical bond
How many bonds does Se have with hydrogen?
Slnium forms the compund H2Se, (so behaves like O and S in formation of a hydrogen compound.
What makes water so cohesive?
Water has intermolecular hydrogen bonds.
How are different between hydrigen bonds and ionic bonds?
Hydrogen bond is not so strong; it is a bond between hydrogen and a very electronegative atom as nitrogen, fluorine, oxygen.
The boiling temperature of water is so much higher than that of methane because water molecules are?
d.polarWater molecules are polar covalent and therefore form attractions between the molecules called hydrogen bonds. Much of the heat that goes into raising the temperature of water to its boiling point goes to breaking the hydrogen bonds first.
What is the chemical bond for H2o?
Polar covalent. The electrons are shared unequally between the atoms of hydrogen and oxygen. They are in orbitals around oxygen more than around hydrogen. This gives water a slight positive and negative charge on the poles of the molecule. Positive slightly on the hydrogen pole and negative on the oxygen end.
What kinds of bonds are broken between N-bases when DNA unzips during replication?
During DNA replication, the bonds broken between N-bases are hydrogen bonds. These hydrogen bonds are relatively weak compared to the covalent bonds that hold the sugar-phosphate backbone together. The breaking of hydrogen bonds allows the two strands of the DNA double helix to separate, providing access for DNA polymerase to create new complementary strands.
How many bonds to hydrogen can sodium form?
Sodium typically forms ionic bonds with other elements, such as chlorine in sodium chloride (table salt). Sodium does not form covalent bonds with hydrogen, so it does not inherently bond with hydrogen in the same way that carbon or oxygen might.
