Which statement is inconsistent with the concept of isotopes of the same element?
a. isotopes have the same number of protons b. isotopes have the same atomic number
c. isotopes differ in mass number
d. isotopes differ in number of neutrons present
e. isotopes differ in their nuclear charge

Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.

Which is an example of a reversible physical change?