12. in line 13, what is the purpose for the ellipsis?
a. to indicate omitted text
b. to indicate a slight pause
c. to indicate a mood change
d. to indicate an unstated thought

Name the following chemical compound: ca(c2h3o2)2

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.