In the artice, "As Sticky as a Gecko...but Ten
2 answers:
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7.91 g/ml is the density of the iron piece of 28.5 gms.
Explanation:
The density of a substance is defined as the volume it occupies. It tells the matter present in a substance.
The density is mass per unit volume and is denoted by p.
The formula for density is given by:
density (p) =
Data given is :
mass= 28.5 grams
V1 = 45.5 ml
V2= 49.1 ml
The initial volume of water was 45.5 ml, when iron piece of 28.5 grams was added the final volume was 49.1 ml.
Putting the values in the equation of density
p =
p = 7.91 g/ml
Since iron is a dense material it will occupy less volume
Answer: Option (e) is the correct answer.
Explanation:
Formula to calculate radius is as follows.
p(r) =
=
= 0
+
= 0
=
r =
Thus, we can conclude that most likely radius at which the electron would be found is .