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Flourine in its ionic form carries an excess of 1 negative charge. If the element fluorine has an atomic number of 9 and a mass number of 19, how many total protons, neutrons, and electrons does the fluorine ions possess? How many electrons are present in the outermost shell? What type of atom or molecule will be fluorine ion attract? What type of bond would be formed as a result of this association?
a balloon that contains 0.500 l of helium at 25 c is cooled to 11c at a constant pressure. what volume does the balloon
a weather balloon at earths surface has a volume of 3.9 l at 275 k and 775 mm hg. if the balloon is released volume
the compound kb5o8middotx h2o was analyzed and found to contain 24.6 of water. if the formula weight of this compound
If the graph was a curved line what would this mean. and how would the results be affected if a mistake was made and your temperature was in celcius
construct molecular models of threo- and erythro-2,3-dibromo-3-phenylpropanoic acid and show which diastereomer would be formed by anti addition of bromine to trans-cinnamic acid
a particular substance absorbs very strongly at 620 nm. at a concentration of 0.100 m this substance has an absorbance
How many amps are required to produce 59.2 g of aluminum metal from a sample of molten aluminum fluoride
What are the net ionic equations for: 1. Potassium Fluoride and Ammonium Chloride and 2. Sodium Hydrogen Sulfite and Potassium Cyanide
a chemist often uses a white card with a black mark to aid in reading the meniscus of a clear liquid. How does this technique make the reading more accurate
25 g of gold is initially 27 degrees celsius. what's the final temperature when absorbing 2.35 kJ of heat?
if the freezing point of a 0.106m CH3COOH solution is -0.323 degrees celcius, what is the percent of acid that has undergone ionization?
Using resonance structures, show why the NH2 group of aniline is an ortho/para director in electrophilic aromatic substitution
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