What is the net charge of an ion that has 8 protons, 9 neutrons, and 10 electrons? A. 1+
В. 2+
C. 1-
D. 2-

How have the greenhouse gasses increased from the year 2000 to 2018

Find the mass, in grams, of 5.00*10^23 molecules of f2

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.