Which of the following elements is liquid at room temperature (choose all applicable)? You might choose multiple answers ,000000 Bromine Bismuth Xenon Thorium Barium Mercury
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- Name four oxides of nitrogenD Question 24 Which one of the following properties is least characteristic of typical metals? O good electrical conductor when solid O brittleness ( easily ruptures ) O high boiling point O ductile (shinny)Select all of the following that are typically true for metals. Group of answer choices Transparent High Strength Low Density Low Melting Point Opaque Dull in Appearance Resistant to Corrosion Prone to Corrosion High Density High Melting Point Shiny in Appearance Ductile Brittle Low Strength
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- Match each statement in the left column of the table below with a compound on the right. In your answer, write the name of the matching compound against the number of the statement, eg. a) Hg Note that each compound must be matched with only one statement. If a compound can be matched with more than one statement (or vice versa), it is up to you to find the BEST match. a) A metal that is in the liquid phase at room Sio2 temperature. CO2 b) A compound that forms a network solid KNO3 composed of covalently bonded atoms. c) A gas that will dissolve in water due to Poly-ethylene (a plastic) dipole – induced dipole forces. Graphite d) The solid-liquid equilibrium line on the H20 phase diagram of this compound has a negative slope. NH3 e) A solid substance at STP, in which the Hg particles are held together by induced 12 dipole - induced dipole forces. f) A substance that will dissolve in water due to hydrogen bonding. 8) A covalent network solid that has good electrical conductivity. h) An…Which element is brittle and does not conduct heat or electricity?2al(s) + cr2o3(aq) > al2o3(aq) + 2cr2(s)
- Provide the correct formula for lead(IV) hypobromiteWhich of the following answer choices is an alloy? A) titanium B) zinc C) copper D) brassQ1 Solid matter held in place by electrostatic attraction forces between positive ions and a "sea" of freely moving electrons describes what type of bonding? ionic covalent metallic hydrogen Q2 A certain mass of nitrogen gas occupies a volume of 1.55 L at a pressure of 5.65 atm. At what pressure will the volume of this sample be 3.93 L? Assume constant temperature and ideal behavior. (?)atm