Question

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in chemistry, metallic bonding is a type of chemical bond that exists in pure metals and alloys. its a special kind of bonding where the valence electrons are not bound to a single atom but are delocalized, meaning theyre free to move throughout the entire metal structure. this creates a \sea of electrons\ surrounding the lattice of positively charged metal ions. this unique arrangement explains many of the properties of metals, such as their excellent electrical conductivity, thermal conductivity, malleability, and ductility.
this is fundamentally different from ionic and covalent bonding. in ionic bonding, a metal atom transfers one or more valence electrons to a nonmetal atom. the resulting oppositely charged ions are then held together by electrostatic attraction. think of it as a tug - of - war where one side completely gives up. in contrast, covalent bonding involves the sharing of valence electrons between two nonmetal atoms to form a stable molecule. this is like a handshake where both parties hold on tight. metallic bonding isnt a transfer or a sharing between two specific atoms; its a communal sharing among all the atoms in the metallic crystal.
check for understandings

1. metallic bonding involves a \sea of ______\ surrounding a lattice of positively charged metal ions.
2. in metallic bonding, valence electrons are ______, meaning they are free to move throughout the entire metal structure.
3. the ability of metals to be hammered into sheets without breaking is called ______.
4. the ability of metals to be drawn into wires is called ______.
5. metallic bonding explains why metals are good conductors of both ____ and ____.
6. in ionic bonding, electrons are ______ from a metal to a nonmetal.
7. in covalent bonding, electrons are ______ between two nonmetal atoms.
8. ionic bonds are held together by strong electrostatic attraction between oppositely charged ______.
9. covalent bonds form between two ______ atoms.
10. unlike ionic or covalent bonding, metallic bonding involves a communal sharing of electrons among ______ the atoms.

Explanation:

1. Text describes "sea of electrons".
2. Valence - electrons are delocalized.
3. Malleability is ability to be hammered into sheets.
4. Ductility is ability to be drawn into wires.
5. Metals are good for electricity and heat.
6. In ionic bonding, electrons are transferred.
7. In covalent bonding, electrons are shared.
8. Ionic bonds by electrostatic attraction of ions.
9. Covalent bonds between non - metal atoms.
10. Metallic bonding communal sharing among all.

Answer:

1. electrons
2. delocalized
3. malleability
4. ductility
5. electricity; heat
6. transferred
7. shared
8. ions
9. non - metal
10. all