The 227Ra2+ ion  contains how many neutrons (n) and electrons (e)?

The phosphorus atom in PCl3 would be expected to have a ______________.

What number of moles of NaOH is needed to completely neutralize 100 mL of 0.40 M HNO3? (molar ratio for this reaction is 1:1)

Which isotope has 36 electrons in an atom? 

Consider the reaction: 2 N2(g) + 5 O2(g) ——->  2 N2O5(g) How many grams of O2 are required to react with 70 grams of N2?

What is the temperature, in oC, of a sample containing 11 g of CO­2(g) in a 20 L container at a pressure of 0.30 atm?

What is the method of each of these disciplines?

According to Adler, science can tell us whether and how to put technology to use.

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On July 10, Best Pet Supply Store orders fifty small dog collars from Collars Inc. to be delivered by July 15. On July 13, Collars delivers fifty large dog collars. Best rejects the shipment. Collars has