The Best Option Would Be D Because British Museum-Egyptian Pyramids Would Be Helpful, But National Geographic:Egyptian Pyramids, Facts, Photos, And Diagrams Has That And More. C I Wouldn't Find Very Helpful, Because It's Just Focused On Pyramids, And B Is Totally Out Of The Picture. Hope That Helps!
As the elements of group 17 are considered in order of increasing atomic number, there is an increase in ATOMIC RADIUS. It is a measure of the size of the atoms.
<h3>What is the atomic radius?</h3>
The atomic radius can be defined as a measure of the size of the atoms of a given chemical element.
The atomic radius can be calculated as the mean distance from the center of an atomic nucleus to the shells of the negatively charged electrons.
The atomic radius is considered for solid elements since this measurement can vary according to the states of matter.
Learn more about the atomic radius here:
brainly.com/question/15255548
Mixing an acid and a base