FeNi or NiFe is an acronym used to refer a family of iron alloys.
An alloy is a mixture of chemical elements that contains at least one is a metal.
The alloy of iron-nickel can be abbreviated as FeNi, which implies iron-nickel.
where;
Thus, FeNi or NiFe is an acronym used to refer a family of iron alloys.
Learn more about iron alloys here: brainly.com/question/24842164
Answer: This is called moles
Explanation: This is described to be the number of molecules, atoms or ions in a substance :)
