B. 0.72 mol NaCl
http://www.convertunits.com/from/grams+NaCl/to/moles
Covalent bond is the type of bond which involves the sharing of valence electrons between two atoms.
This bond usually arises from the equal attraction of the nuclei of the two atoms for the electrons shared.
Ionic bond, on the other hand, arises due to the transfer of electrons from the valence shell of one atom to the valence shell of the other.
Answer:
A rock is an inconsistent mixture of minerals, while mineral is "pure" and made up of a precise combination of chemicals.
Explanation:
3.45x-8.75 is the simplified version:)
Answer:
<h2>Scientists use a wide variety of techniques to monitor volcanoes, including seismographic detection of the earthquakes and tremor that almost always precede eruptions, precise measurements of ground deformation that often accompanies the rise of magma, changes in volcanic gas emissions, and changes in gravity.</h2>