Imaging x-rays go easily through living tissue but not so easily through bone. This is primarily because the calcium atoms in bone have
A) many more neutrons in their nuclei than the atoms in tissue have.
B) many more electrons than the atoms in tissue have.
C) an odd number of electrons while those in tissue have even numbers of electrons.
D) an even number of electrons while those in tissue have odd numbers of electrons.

Question

Quizplus · Accepted Answer

Calcium atoms in bone have more electrons, which increases the likelihood of x-ray absorption compared to the atoms in soft tissue.

Imaging X-Rays Go Easily Through Living Tissue but Not So