Question Video: Determining the Type of Bonding Not Involving the Attraction between Nuclei and Electrons | Nagwa Question Video: Determining the Type of Bonding Not Involving the Attraction between Nuclei and Electrons | Nagwa

Question Video: Determining the Type of Bonding Not Involving the Attraction between Nuclei and Electrons Chemistry • Second Year of Secondary School

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Which type of chemical bonding does not involve electrostatic attraction between the positively charged nuclei and the negatively charged electrons?

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Video Transcript

Which type of chemical bonding does not involve electrostatic attraction between the positively charged nuclei and the negatively charged electrons?

Chemical bonds form as atoms share or exchange electrons with each other. Covalent bonds form when atoms share valence electrons. The figure shows a covalent bond between two hydrogen atoms. Covalent bonds are stable due to a combination of attractive and repulsive forces between the protons and electrons of the atoms engaging in the bond.

We know that there is electrostatic repulsion between particles that have the same charge sign. There is also electrostatic attraction between particles that have opposite charges. Covalently bonded atoms end up being at a stable distance, where the attractive and repulsive electrostatic forces balance each other out. The protons in the nucleus have a positive charge. They are attracted to the negative electrons of the other covalently bonded atoms. Covalent bonding does involve attraction between the nuclei and electrons. So it is not the correct answer to this question.

Metallic bonds are formed as the valence electrons of metal atoms effectively merge and form one sea of negative electrostatic charge. The metal atoms essentially turn into positively charged ions and a sea of delocalized electrons, shown in the figure. Metallic bonds involve the strong electrostatic attraction between the nuclei of positively charged cations and the negatively charged electrons. It is not the correct answer to this question either.

Ionic bonds form from the electrostatic attraction between positively and negatively charged ions. A transfer of electrons often occurs. In many cases, metal atoms get an overall positive charge as they lose electrons. Nonmetals acquire a negative charge as they gain electrons. The oppositely charged ions are attracted to each other and form an ionic bond. Many ions bonding together form a giant ionic lattice. Ionic bonding is due to the attraction between oppositely charged ions. It does not involve the electrostatic attraction between positively charged nuclei and negatively charged electrons.

Therefore, the answer to this question is the type of chemical bonding called ionic.

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