Two Identical Iron Spheres Have Equal Positive Charges and the Force

question 1

Multiple Choice

Two identical iron spheres have equal positive charges and the force between them when they are 1 m apart is 4 N. What percentage of the electrons has been removed from each sphere if each sphere has 1 mole (6 *10²³) of iron atoms? (k_e = 8.99 * 10⁹ N.m²/C², the atomic number of iron is 26, and the electron charge is -1.6 *10 ^{- 19} C)

• A) 8 *10 ^{- 10} %
• B) 0.000002%
• C) 0.001%
• D) 4 *10 ^{- 10} %

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Cardiovascular System

The body’s system comprised of the heart and blood vessels, responsible for circulating blood and nutrients throughout the body.

Skeletal Muscles

Muscles attached to the bones that are responsible for the movement of the human body.

Recessive

Pertaining to a gene that is masked by a dominant gene and only expressed in the phenotype when paired with another recessive gene.

Defective Gene Alleles

Variants of genes that have mutations or alterations, leading to the dysfunction of the encoded proteins and potentially causing genetic disorders.