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chapter 3 activity.pdf - Intro Chem (CHM 101) Chapter 3...

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Intro Chem (CHM 101)Chapter 3 ActivityChapter 3 In-Class ActivityName: ________________________________Section: _____________Date: ____________1.Identify the following elements as an alkali metal, alkaline earth metal, transition metal, inner transitionmetal, main group metal, metalloid or a non-metal.A) Antimony ____________________G) Titanium____________________B) Sodium____________________H) Nitrogen____________________C) Boron____________________I) Bromine____________________D) Strontium ____________________J) Argon____________________E) Uranium____________________K) Iron____________________F)Aluminum ____________________L) Selenium____________________2.When 50.26 mg of calcium completely reacts with sulfur, 0.7822 dg of calcium sulfide forms as the onlyproduct. What mass, in grams, of sulfur must have reacted?3.Write the symbol and charge (Xn+or Xn-) for the ion that each element below always forms.A) Chlorine____________________F) Cadmium____________________B) Zinc____________________G) Silver____________________C) Calcium____________________H) Sodium____________________D) Gallium____________________I)Phosphorous ____________________E) Sulfur____________________J) Fluorine____________________4.Which of the following represents a pair of isotopes?A)36Ar and40Ar________________________C)40Ca and
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Term
Spring
Professor
bahram-ahi
Tags
Atom, Periodic Table, Chemical element, 0 05026 g, 1 50 26 mg

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