The tendency of water molecules to attract one another due to polarity is called _____. ionic bonding hydrogen bonding covalent
bonding chemical bonding
2 answers:
Answer:
The correct answer is hydrogen bonding.
Hydrogen bond is defined as a weak bond that results from electrostatic attraction taken place between hydrogen of one molecule and electro-negative atom of same or different molecule.
In water, partial negative charge is present on oxygen atom which attracts the partial positive charge present on hydrogen atom of other water molecule. This attractive interactions lead to the formation of inter-molecular hydrogen bonding.
Answer: hydrogen bonding
Explanation:
Water molecules are bonded by strong hydrogen bonding between the less electronegative hydrogen atom and the electronegative oxygen atom. Oxygen atom withdraws the electron density towards itself and thus acquire a partial negative charge and hydrogen acquires a partial positive charge. The opposite charges attract each other and result into hydrogen bonds.
Ionic bond is formed the transfer of electrons between two atoms.
Covalent bond is formed by the sharing of electrons between two atoms.
Chemical bond is formed either by sharing of electrons or by transfer of electrons.
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There have be found some fossils of ancient remains over the years. What the fossils from Atapuerca revealed about the hominins living in Europe at this time is below:
- The Skull is known to show Interbreeding that took place with neandertals and their relatively healthy population.
- The Fragment shows that there was a possibility of cannibalism in that area.
It shows that possible cannibalism took place as there were Cutmarks on various hominin bones found at Atapuerca mirror.
The relatively healthy population was found out through the study of the dentition of the Atapuerca hominins by anthropologists. It gave them a view into their diet and overall health.
The interbreeding with the Neandertals was shown through the Nuclear DNA that was gotten from bones and teeth of bones found at Sima de los Huesos
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