How did moseley establish a more accurate periodic table?

a. by arranging the elements according to atomic mass instead of atomic number
b. by arranging the elements according to atomic number instead of atomic mass
c. by arranging the elements into horizontal periods
d. by arranging the elements into vertical groups

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)

Complete the following statements to describe solids, liquids, and gases. select the correct answer from each drop-down menu. a solid a definite volume and a definite shape. a liquid a definite volume and a definite shape. a gas a definite volume and a definite shape

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.