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What will cause the mass of a metal block to increase?
If the metal block undergoes oxidation and forms rust on its surface, the mass will increase due to the addition of oxygen and possibly other elements from the environment. Alternatively, if the metal block absorbs moisture from the atmosphere or undergoes a chemical reaction that results in the incorporation of additional atoms into its structure, the mass may also increase.
Does a battery's weight increase when it is charged?
No, a battery's weight does not increase when it is charged.
Can light cause changes to the metal?
Yes, light can cause changes to metal through processes like oxidation or photochemical reactions.
Why is nickel a polyvalent metal?
Nickel is a polyvalent metal because it can exhibit multiple oxidation states in chemical reactions. This is due to the ability of nickel atoms to lose or gain electrons, leading to the formation of different ionic or covalent compounds with varying oxidation states.
What would increase the amount of heat the metal radiates to the air?
Increasing the temperature of the metal, increasing the surface area of the metal, and improving the thermal conductivity of the metal would all increase the amount of heat the metal radiates to the air.
Does increase in hardness of a metal increases its weight?
Increasing the hardness of a metal does not directly increase its weight. Hardness is a measure of a metal's resistance to deformation, while weight is determined by its mass. However, changes in the metal's composition or structure to increase hardness may affect its density, which could in turn impact its weight.
When is the oxidation state of a metal indicated in the name of a compound?
When the metal can exist in more than one oxidation state
When a substance is undergoing oxidation does the oxidation number increase?
Yes, during oxidation, the oxidation number of the substance increases. This is because oxidation involves the loss of electrons, leading to an increase in the oxidation number.
Oxidation can be identified by an increase in oxidation number?
YES!
How does the oxidation state of a transition metal determined from chemical formula?
A pure metal has the oxidation state zero.
What is A metal with an oxidation state of 3 used in cans?
Aluminum is a metal with an oxidation state of +3 and is commonly used in making cans for beverages and food products. Its properties make it suitable for this purpose due to its strength, light weight, and resistance to corrosion.
What causes oxidation on metal and how can it be prevented?
Oxidation on metal is caused by the reaction of metal with oxygen in the air, forming a layer of metal oxide on the surface. To prevent oxidation, metal can be coated with a protective layer such as paint, oil, or a metal coating like zinc or chrome. Keeping metal dry and storing it in a low-humidity environment can also help prevent oxidation.
Rust is formed as a result of oxidation of which metal?
Rust is formed as a result of oxidation of iron (Fe) metal.
Pb is a transition metal with only 1 oxidation state?
No, Pb is not a transition metal and it has 2 oxidation states
What oxidation number would you find on a metal ion and a non - metal ion?
A metal and a nonmetal would form an ionic bond. In an ionic compound, a metal ion would have a positive oxidation number equal to its ionic charge. A nonmetal would have a negative oxidation number equal to its ionic charge.Examples:NaCl oxidation numbers: sodium has an oxidation number of +1, chloride has an oxidation number of -1. So the overall charge of NaCl is zero.CaCl2 oxidation numbers: calcium has an oxidation number of +2, the chloride ion has an oxidation of -1. Since there are two chloride ions, the total negative oxidation number is -2, so CaCl2 has an overall charge of zero.
When is the oxidation state of a metal indicated in the name of a compuond?
The oxidation state of a metal is indicated in the name of a compound if and when that metal has more than one oxidation states. The oxidation state is then indicated by a Roman numeral placed in parenthesis next to the metal (Stock System).
What is the change in the oxidation number of Cr?
The change in oxidation number of Cr depends on the specific reaction or compound involved. For example, in the reaction from Cr(III) to Cr(VI), the oxidation number of Cr changes from +3 to +6, indicating an increase in oxidation state.
