How does the ionic radius of a nonmetal compare with its atomic radius?

2 answers:

7 0

Non-metal are the elements that can accept electrons,this creates a larger positive charge in the nucleus than the negative charge.
Due to this attraction, electron cloud shrinks or come closer to nucleus as the result of opposite charge and become ion .
Hence, the atomic radius of a non-metal is generally smaller than the ionic radius of the same element.

maria [59]2 years ago

5 0

The other user is correct

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What gets oxidized in a galvanic cell made with magnesium and zinc electrodes?

ankoles [38]

Answer: Magnesium

Explanation:

Galvanic cell is a device which is used for the conversion of the chemical energy produces in a redox reaction into the electrical energy.

The standard reduction potential for magnesium and zinc are as follows:

$E^0_{[Mg^{2+}/Mg]}= -2.37V$

$E^0_{[Zn^{2+}/Zn]}=-0.76V$

Reduction takes place easily if the standard reduction potential is higher (positive) and oxidation takes place easily if the standard reduction potential is less (more negative).

Here Mg undergoes oxidation by loss of electrons, thus act as anode. Zinc undergoes reduction by gain of electrons and thus act as cathode.

$Mg\rightarrow Mg^{2+}+2e^-$