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Neko [114]
2 years ago
14

According to the electron configuration, which atom will be the most reactive?

Chemistry
1 answer:
Grace [21]2 years ago
5 0
C is the answer I took a test with the same answer
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10) The presence of nitrates in soil can be shown by warming the soil with
tresset_1 [31]

Answer:

ammonia

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2 years ago
Mercury has an atomic mass of 200.59 amu. calculate the mass of 3.0 x 10^10 atoms
Licemer1 [7]
To determine mass of the given number of atoms of mercury, we need a factor that would relate the number of atoms to number of moles. In this case, we use the Avogadro's number. It is a <span>number that represents the number of units in one mole of any substance. This has the value of 6.022 x 10^23 units / mole. The number of units could be atoms, molecules, ions or electrons. To convert into mass, we use the given amu of mercury since it is equal to grams per mole. We calculate as follows:

</span>3.0 x 10^10 atoms ( 1 mol / 6.022 x 10^23 atoms ) ( 200.59 g / 1 mol ) = 9.99x10^-12 g Hg
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