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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: How many energy levels contain electrons in an atom of zirconium (Zr)
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Q: Is aluminum chlorohydrate ionic or covalent
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Q: Is titanium dioxide ionic or covalent
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Q: How many atoms does one formula unit of gold sulfide have altogether
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Q: What statement is true of atomic nuclei
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Q: Why lithium iodide is covalent in nature
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Q: What is a pale yellow element that commonly occurs in nature
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Q: How do Ka values of weak acid and a strong acid compare
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Q: What role have nitrates and phosphates played in damaging muddy creek
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Q: What is the balanced reaction of copper 2 nitrate and potassium hydroxide
5 answers
Q: When a gas of 3.4 moles occupies a volume of 40.6 L at 298 K what is the pressure of the gas in kPa
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Q: How do you deliver 5.00 mL of liquid by using a transfer pipet
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Q: What element is soft metals
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Q: Is fresh tomato an acid
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Q: What element will most likely react in a similar way as fluorine
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Q: In the covalent compound co3 the Greek prefix used to represent the anion is
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Q: In what ways does the matter affect our lives
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Q: Do power plants use specialized scrubbers o remove sulfur oxide gases
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Q: What are the chemical formulas for 2 polyatomic ions
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Q: What element is 1s22s22p63s23p64s23d104p65s24d105p66s24f10
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Q: How many electrons can the 3rd atom shell hold
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Q: Is 3 kg greater or 40000 mg
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Q: What is the formula when calcium carbonate breaks down into carbon dioxide oxygen and calcium
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Q: What is the texture of protactinium
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Q: What are the spectator ions in the given balanced chemical equation CaCI2(aq) plus k2CO3(aq) CaCO3 (s) plus 2 KCI (aq)
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Q: How does borax make slime
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Q: When phenolphthalein is added to a basic solution what happens
9 answers
Q: How many atoms are in 40.08 grams of calcium
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Q: If the aroma of the material is not offensive it is probably OK to taste it
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Q: What is the little 2 in h20
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Q: If a sample of pure sodium has a mass of 8.2 grams and sodium has an average atomic mass of 22.99 gmol how many sodium atoms are there in the sample
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Q: What terms describe these relationships woolen cloth and glass
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Q: What happens sodium chloride dissolves in water
2 answers
Q: Do enzymes in saliva change starch into sugar
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Q: What is the relationship between nonrenewable energy and chemical energy
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Q: What and happens when a sodium ion is attracted to a chlorine ion
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Q: What type of bond is AIPO4
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Q: What does calcium phosphate combine with
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Q: What is a positively-charged partica found free or in a nucleus
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Q: Can xenon expand its octet
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Q: What statement is true about carbine -12 and oxygen-18
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Q: What is the factor tested in an experiment called
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Q: In what layer can the temperature reach 1800 degrees Celsius's
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Q: What kind of chemical reaction is shown Mg plus 2 HCl - mgCl2 plus H2
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Q: How many covalent bonds does P have
1 answer
Q: What are the spectator ions in the reaction 2KOH plus H2SO4 and gt2H2O plus K2SO4
1 answer
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