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Trava [24]
4 years ago
13

What is the mass number of an atom/ion with 32 electrons, 32 protons, and 31 neutrons?

Chemistry
1 answer:
bekas [8.4K]4 years ago
6 0

Answer:

63

Explanation:

Relative mass = number of Protons + number of Neutrons

Relative mass = 32 +31

Relative mass= 63

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After moving down a group in the periodic table, the number of valence electrons
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the number of Valence electrons remains the same

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Where is nature can you find isomers? <br><br> 11 points!!!
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Answer:

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3 years ago
Part b an "empty" container is not really empty if it contains air. how may moles of nitrogen are in an "empty" two-liter cola b
Sedbober [7]
<span>6.38x10^-2 moles
       First, let's determine how many moles of gas particles are in the two-liter container. The molar volume for 1 mole at 25C and 1 atmosphere is 24.465 liters/mole. So
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        Rounding to 3 significant figures gives 6.38x10^-2 moles</span>
4 0
3 years ago
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N methyl 2 pyrrolidone heated with aqueous acid reaction
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The reaction is given as follows in the attached picture.

</span>

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