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WINSTONCH [101]
1 year ago
9

Which transition metals usually form only one monatomic cation? select all that apply.

Chemistry
1 answer:
lyudmila [28]1 year ago
5 0

Zn, Cd, and Ag are transition metals that usually form only one monoatomic cation.

A monatomic cation is a cation made of only one atom.

Cations are positively charged ions, in this example Ag⁺, Cd²⁺ and Zn²⁺.

These cations form only one type of ion, while iron and copper form more than one type of cations.

Iron and copper form cations with different charges (Fe²⁺, Fe³⁺, Cu⁺, Cu²⁺).

It depends on electron configuration which type would be formed.

Electron configuration of zinc atom: ₃₀Zn 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s²

Transition metals are elements in the d-block of the Periodic table.

More about transition metals: brainly.com/question/12843347

#SPJ4

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How many half-lives are required for the concentration of reactant to decrease to 1.56% of its original value?4247.56.56
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6 half-lives are required for the concentration of reactant to decrease to 1.56% of its original value.

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Using integrated rate law for first order kinetics as:

[A_t]=[A_0]e^{-kt}

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[A_t] is the concentration at time t

[A_0] is the initial concentration

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Concentration is decreased to 1.56 % which means that 0.0156 of [A_0] is decomposed. So,

\frac {[A_t]}{[A_0]} = 0.0156

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\frac {[A_t]}{[A_0]}=e^{-k\times t}

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<u>6 half-lives are required for the concentration of reactant to decrease to 1.56% of its original value.</u>

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