Chemistry

Which of the following is a TRUE statement?a.A molecule always has three types of elements presentb.Compounds always include the elements hydrogen and sodiumc.Compounds include things we use in our everyday livesd.All elements prefer to hang out with other elements and form molecules
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What is most likely oxidation state of aluminum (AI)?
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#7 which of the following decreases the rate of solubility of solid molecules in a solution?
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what is an optical property
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What lives in the arctic tundra biome? Choose all that apply.Use this website to answer the question: https://thewildclassroom.com/biomes/artictundra-2/Question 6 options:cariboureptilesamphibianslots of insectsmuskoxreindeer
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Theses are all the points I have leftWould you rather Go to jail for the rest of your life or go to prison for the rest of you life?
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When performing a neutralization reaction, how should students test the solution to be sure which is the acid and which is the base?
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Earthquakes and what kind of plate boundary movement cause them?
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Potassium iodide, KI, is used as an expectorant. How many grams are in 0.300 mole of potassium iodide?
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As altitude increases, what happens to air pressure the choices are it fluctuates, it increases, it decreases or it stays the same
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Can yall help me with this one, thanks!
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.) Neon and HF have approximately the same molecular masses. a.)Explain why the boiling points of Neon and HF differ b.)Compare the change in the boiling points of Ne, Ar, Kr, and Xe with the change of the boiling points of HF, HCl, HBr, and HI, and explain the difference between the changes with the increasing atomic or molecular mass.
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On the periodic table, which group of elements tend to form positive ions?Group 16 and Group 17Group 1 and Group 16Group 2 and Group 17Group 1 and Group 2
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Over millions of years silt washed into a lake formed layers of sedimentary rock. What type of rock was likely formed?
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A student prepared a stock solution by dissolving 20.0 g of NaOH in enough water to make 150. mL of solution. She then took 15.0 mL of the stock solution and diluted it with enough water to make 65.0 mL of a final solution. What is the concentration of NaOH for the final solution
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pleaaseeee help im failing so bad3
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how acceptance of responsibility influence affective in communication
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How many particles are in a 34 g sample of Al2(SO4)3?please help!
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help me pretty please
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How many molecules of carbon dioxide, CO2, are in 38.5 moles?
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PLEASE HELP MEWhat answer is it?
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Calculate the pH of a 0.10 M NH4Cl solution.
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Calculate the density of carbon dioxide at STP
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