a student wanted to illustrate the structure of magnesium chloride and decided simply to replace the Na+ ions in figure 1 with Mg+ ions. what would be wrong with the resulting picture?

If a plot weight (in g) vs. volume (in ml) for a metal gave the equation y= 13.41x and r^2=0.9981 what is the density of the metal?

An observation that requires measurement is called quantitative observable or qualitative

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.