Answer:
So copper is a lattice of positive copper ions with free electrons moving between them. ... The electrons can move freely through the metal. For this reason, they are known as free electrons. They are also known as conduction electrons, because they help copper to be a good conductor of heat and electricity.
s2011353 avatar
Why does copper have such a high electrical conductivity?
Thus, copper is a lattice of positive copper ions with the movement of free electrons among them. Due to movement of electrons freely through the metal, they are also known as conduction electrons. The presence of these conduction electrons makes the copper a good conductor of electricity and heat.
Explanation:
Either A or B , idrk butttt i doubt its C
Answer with Explanation:
Density of copper(Cu)=
Density of zinc(Zn)=
Atomic mass of copper=
Atomic mass of zinc=65.38 g
We know that
Volume=
Using the formula
Volume of copper=
Volume of zinc=
Volume is inversely proportional to the density.
Pre -1982 penny made by copper and post-1982 penny made by zinc.
Therefore, volume of post-1982 penny is greater than the volume of pre-1982 penny because density of zinc is less than the density of copper.
I would go with D both physical and chemical properties.
Photosynthesis
Explanation:
Photosynthesis is the process where green plants manufacture their food in the presence of carbon dioxide, water and sunlight.
In this process, carbon dioxide is used up in the process. This helps to remove carbon dioxide from the atmosphere.
CO₂ + H₂O → C₆H₁₂O₆ + O₂
sunlight
Learn more:
Photosynthesis brainly.com/question/4216541
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