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Chemistry

Delve into the study of matter, its properties, composition, structure, and the changes it undergoes during chemical reactions. Chemistry is the central science connecting other scientific disciplines.

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Q: What is the pairs of atoms of Li and S would you expect to combine chemically to form an ionic compound
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Q: What is the formula of the ions formed when sulphur gain or lose valence electrons and attain a noble gas configuration
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Q: What is the Configuration for calcium.
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Q: Why is it important to perform tests on a control urine sample not containing any chemical substance
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Q: What A substance that does not from hydroxide ions in a water solution is a base
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Q: What Properties do Arrhenius acids have in common
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Q: What is more reactive lead or lithium
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Q: Do elements in the periodic table have similar qualities
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Q: Is an example of an electrostatic force acting in an atom neutron attracting an electron a proton attracting an electron an electron attracting another electron a neutron attracting a proton
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Q: How many proton are in pb-206
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Q: What does oxidation to to resistance
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Q: Is dissolving a lifesavers candy in warm water is physical change
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Q: Is dissolving a LIFESAVER candy in warm water melting
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Q: What methods could you use to protect yourself against poison gas
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Q: What does Fe x De Fr x Dr mean
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Q: How many atoms are in each element of 2Fe2O3
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Q: When an acid reacts with metal carbonate the products are
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Q: What is the pH level of a pumpkin
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Q: Is a piece of avocado turning brown a chemical change or a physical change
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Q: If the hydrogen ion concentration of a solution is 1 x 10-10 M is the solution acidic basic or neutral neutral basic salt acidic
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Q: How does the rate of effusion of sulfur dioxdeSO2 compare to that of heluim (He)
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Q: What happens when you mix iron filings and lemon juice
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Q: Is Br a Lewis base
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Q: What is the properties such as luster conductivity and flexibility are used to describe what type of elments
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Q: How long does it take for peridot to form
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Q: What are the most difficult elements of your job
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Q: What elements are combined to make chalk
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Q: What is the value of van t hoff factor of CH3OH
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Q: What is having a small amount of something called
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Q: What is the relationship between a solution and a mixture
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Q: If you add hydrochloric acid to water what effect would it have on the H plus concentration on the pH
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Q: Is toluene and benzene are soluble
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Q: What is the balanced formula equation for the equations for the reaction that happen when lithium reacts with chlorine gas to form lithium chloride
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Q: Why is iron nail is used as cathode
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Q: What color will be if mixing iodine with hexane
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Q: In what way is an atom of carbon different from an uranium
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Q: What is the boiling point for kerosene in Fahrenheit
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Q: Why alkyl halides give alcohol with aqueous KOH whereas wit alcoholic KOH they give alkenes
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Q: What is the polarity of PF3
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Q: How can you recover a soluble salt produced by an acid-base neutralization reaction
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Q: What element makes 78 of air and in the 15th group
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Q: What kind of bond forms when atoms in a molecule do not share ther electrons equally
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