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In sodium and copper it is the s electrons delocalised accross the lattice that contribute to the electrical conductivity. The extra bonding due to d orbitals in copper, a transition metal, contributes to its hardness and higher melting point .
Both sodium and copper have metallic bonds. Sodium is an alkali metal and there are no d electrons, wheres copper is a transition metal. In the alkali metals the only force of attraction between the metal atoms is due to the delocalisation of the s electrons. In transition metals there is an extra attraction due to the d electrons. Copper has one of the lowest heats of formation of the transition metals the d electrons contribute less than in the lighter members.
Hardness is a poor measure IMHO of metallic bond strength, as hardness can be related to the density of lattice dislocations.
What else can I help you with?
What element is harder than gold but softer than copper?
Silver is harder than gold but softer than copper.
How can you tell if something is made out of copper?
You can tell if something is made out of copper by its reddish-brown color and its high conductivity of electricity and heat. Additionally, copper is non-magnetic and is softer and more malleable than other metals like iron or steel.
Which is soft among gold and sodium?
Sodium is the softer among the two. It is soft enough to be cut by a knife. However, Gold is the one which is more malleable and ductile.
Why sodium is softer than lithium?
Sodium is softer than lithium because sodium has a larger atomic radius and more electron shells. This allows the electrons to be further from the nucleus, leading to weaker metallic bonds and making sodium easier to deform.
Is francium harder or softer than sodium?
Francium is softer than sodium. This is because as you move down the alkali metal group in the periodic table, the atoms get larger, making the metallic bonding weaker and resulting in softer metals.
Why Sodium is softer than copper but both are good conductors?
Sodium is alkali metal having only 1 electron in valance shell, while copper is transition element having 10 electrons in its outer most 3d sub shell. In copper there are more chances for overlapping of the orbitals because in Copper there are more delocalized electrons which hold the positive ions more tightly. Anyhow both have delocalized electrons that's way both are good conductor of electricity
Is sodium a conductor of electricity or heat?
No, sodium (Na) is a conductor not a semi conductor
What element is harder than gold but softer than copper?
Silver is harder than gold but softer than copper.
What material is softer lead or copper?
lead, copper is a metal therefore it is harder
How can you tell if something is made out of copper?
You can tell if something is made out of copper by its reddish-brown color and its high conductivity of electricity and heat. Additionally, copper is non-magnetic and is softer and more malleable than other metals like iron or steel.
What elements would be expected to best conduct heat and electricity?
Metals conduct heat and electricity best. Among metals the softer (less dense) metals such as aluminum, copper, silver, etc. We use copper wire to deliver electricity to an incandescent light but tungsten for the filament. Other things affect the heating effect, but the resistance of the tungsten.
Which is soft among gold and sodium?
Sodium is the softer among the two. It is soft enough to be cut by a knife. However, Gold is the one which is more malleable and ductile.
Which is softest sodium or lithium?
Lithium is softer than sodium. Sodium is harder because it has a higher atomic number and more electrons, which results in stronger metallic bonding compared to lithium.
Why sodium is softer than lithium?
Sodium is softer than lithium because sodium has a larger atomic radius and more electron shells. This allows the electrons to be further from the nucleus, leading to weaker metallic bonds and making sodium easier to deform.
What are copper pipes used for?
Copper pipes are used to insulate electricity because the electrical current can not pass through the softer of all the metals. The copper pipes can be found in electrical appliances such as television tubes and computer CRT. Around the house, copper tubing can be found in the circuitry of the circuit breaker that is usually located in garage or a shed to a house or an apartment.
Is francium harder or softer than sodium?
Francium is softer than sodium. This is because as you move down the alkali metal group in the periodic table, the atoms get larger, making the metallic bonding weaker and resulting in softer metals.
Copper is used to make electric wire because it is a good insulator?
You are confusing an insulator with a conductor. An insulator prevents passage of electricity (in this case) from one point to another whilst a conductor allows passage. Copper is an excellent CONDUCTOR of both heat and electricity which is why it is used in wire. It also has some other good properties which enhance it's suitability-plentiful, reasonably cheap, easy to work (i e in this case to manufacture into wire) and reasonably lightweight. Other metals such as Gold and Silver are better conductors of electricity but their cost is huge in comparison and are softer and less durable making them uneconomic for all but exotic applications such as very high end Audio Interconnects and/or Speaker Cable, Microchips etc.
