Question

practice 6.3

1. explain the difference between an ionic bond and a covalent bond.
2. from the three elements listed, which element would more easily lose electrons?

argon, nitrogen, beryllium

1. explain what makes group 18 different from the other elements on the periodic table.

Explanation:

1.

An ionic bond is formed when one atom transfers electrons to another atom, resulting in the formation of ions (positive and negative) that are held together by electrostatic forces. A covalent bond is formed when atoms share electrons to achieve a stable electron configuration.

Argon is a noble gas with a full valence shell (stable electron configuration), so it does not easily lose or gain electrons. Nitrogen has 5 valence electrons and tends to gain 3 electrons to complete its octet. Beryllium has 2 valence electrons and, as a metal, has a relatively low ionization energy (compared to non - metals like nitrogen and noble gases like argon), so it can lose its 2 valence electrons more easily.

Group 18 elements (noble gases) have a full valence shell (either 2 electrons for helium or 8 electrons for other group 18 elements). This full valence shell makes them very stable and unreactive under normal conditions, unlike most other elements which need to gain, lose, or share electrons to achieve a stable configuration.

Answer:

An ionic bond involves the transfer of electrons between atoms (creating ions) with electrostatic attraction. A covalent bond involves the sharing of electrons between atoms.

2.