2. How can we deposit a thin layer of silver on an iron spoon? What is the process called? Explain with a labelled diagram.
2 answers:
Answer:
ELECTROPLATING
Explanation:
In silver plating, object (iron spoon) to be electroplated is made cathode, metal to be used for coating (bar of silver metal) as anode and silver nitrate solution as electrolyte. When current passes, positive ions moved toward the cathode and thus silver is coated to the spoon.
The process of depositing a layer of any desired metal on another material, by means of electricity is called electroplating.
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The 32.06 represent The atomic mass, the average number of protons & neutrons
<h3>Further explanation </h3>The Atomic Number (Z) indicates the number of protons in an atom of an element. If the atom is neutral then the number of protons will be equal to the number of electrons. So the atomic number can also indicate the number of electrons.
So atomic number = number of protons = number of electrons
Mass Number (A) is the sum of protons and neutrons
Mass Number (A) = Number of protons + Number of Neutrons
So that the relationship between atomic numbers and mass numbers can be formulated as follows:
Atomic Number (Z) = Mass Number (A) - Number of Neutrons
In the following element notation,
X = symbol of elemental atom
A = mass number
= number of protons + number of neutrons
Z = atomic number
= number of protons = number of electrons, on neutral elements