Choose the FALSE statement about the Sun.

A. It contains about 99.9% of the mass in the solar system.
B. It revolves around the center of the Milky Way Galaxy.
C. Its temperature is the same everywhere on its surface.
D. It is thousands of light-years from the center of the Milky Way Galaxy.

Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.