Zinc is more active than cobalt and iron but less active than aluminum. Cobalt is more active than nickel but less active than iron. Which of the following correctly lists the elements in order of increasing activity? A) Zn < Al < Co < Ni < Fe B) Ni < Co < Fe < Zn < Al C) Fe < Ni < Co < Al < Zn D) Co < Ni < Fe < Zn < Al E) Ni < Fe < Co < Zn < A
Atomic Structure
The basic structure of an atom is defined as the component-level of atomic structure of an atom. Precisely speaking an atom consists of three major subatomic particles which are protons, neutrons, and electrons. Many theories have been stated for explaining the structure of an atom.
Shape of the D Orbital
Shapes of orbitals are an approximate representation of boundaries in space for finding electrons occupied in that respective orbital. D orbitals are known to have a clover leaf shape or dumbbell inside where electrons can be found.
Zinc is more active than cobalt and iron but less active than aluminum. Cobalt is more active than
nickel but less active than iron. Which of the following correctly lists the elements in order of
increasing activity?
A) Zn < Al < Co < Ni < Fe
B) Ni < Co < Fe < Zn < Al
C) Fe < Ni < Co < Al < Zn
D) Co < Ni < Fe < Zn < Al
E) Ni < Fe < Co < Zn < A
This question is related to the activity series. The activity series may be defined as the series of elements in the order of their reactivity from lowest to highest. As metals replace only metals and nonmetals can replace only nonmetals, hence both metals and non metals, each have separate activity series.
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