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Question 18 2 pts Given the following series, predict which is the largest: sodium ion, magnesium...
Question 19 2 pts Given the following series, predict which is the largest: chloride ion, argon and potassium ion chloride ion potassium ion Impossible to tell argon
2. (6 pts) Using the activity series, predict which of the following reactions will occur and, in those cases, write balanced equations (otherwise, write "no reaction"). a) Potassium with water b) Gold with hydrochloric acid c) Aluminum with nitric acid
Question 2 2 pts According to periodic trends, arrange the following atoms, potassium, magnesium, and aluminum in order of decreasing size (radius). aluminum, potassium, and magnesium aluminum, magnesium, and potassium magnesium, aluminum, and potassium potassium, magnesium, and aluminum
1) Predict the charge that a magnesium (Mg) ion would have A) 5- B) 1+ C) 1- D) 2+ 2) Predict the charge that an ion formed from sulfur would have. A) 1- B) 6+ C) 3- D) 4+ E) 2- 3) Which of the following does NOT describe a metal? A) good conductor of heat B) good conductor of electricity C) tends to gain electrons D) forms ionic compounds with nonmetals E) found on the left side of the...
1. Predict the empirical formula for each of the following compounds given the formula of magnesium oxide, Mgo. (a) calcium oxide (b) strontium oxide (c) barium oxide (d) radium oxide 2. Predict the empirical formula for each of the following compounds given the formula of sodium chloride, NaCl. (a) sodium fluoride (b) potassium chloride (d) rubidium iodide (c) lithium bromide 3. A 1.250-g sample of copper wire was heated in air and reacted with oxygen to give 1.565 g of...
Question 18 1 pts Which of the following pairs of charged particles will experience the LARGEST potential energy? (I'm looking for the largest absolute value) O (+3) and (-1) point charges separated by 150 pm O (+1) and (-1) point charges separated by 100 pm O (+2) and (-2) point charges separated by 150 pm O (+1) and (-1) point charges separated by 100 pm O (+2) and (+1) point charges separated by 100 pm Question 19 1 pts An...
4. (2 pts) What is oxidation state (ionic charge) for a sodium ion? 5. (2 pts) What is oxidation state of a sulfate ion? 6. (2 pts) What ionic molecule can be formed from sodium and sulfate ions? 7. (2 pts) What are the cation and anion from your answer in question #6?
Question 6 2 pts Arrange the following from largest to smallest, assuming that they all come from the same fungus. 1 [Choose) 2 [Choose [Choose 5 [Choose) D Question 6 2 pts Arrange the following from largest to smallest, assuming that they all come from the same fungus. 1 [Choose) 2 [Choose basidiospore basidiocarp 4 mycellum basidium 5 [Choose]
Question 6 1 pts In the reaction of magnesium chloride with sodium phosphate, how many grams of magnesium phosphate are expected when 50.0 g MgCl2 and 75.0 g Na3PO4 are reacted? 3 MgCl2 (aq) + 2 Na3(PO4)2 + Mg:(PO4)2 (8) + 6 NaCl(aq) How should you solve this problem? Decide which reactant has more grams and use that to calculate the amount of product formed Perform separate and complete stoichiometric evaluation for each reactant. Determine which produces most product and...
Question 4 2 pts Which of the following ions has the largest radius? 2- K+ 3- Ca2+ CI