Ummm...
WHat is this? What do you want us to do??
A polar bond is formed with atoms having different electronegativities. The bonding electrons are attracted more towards the atom with greater electronegativity resulting in unequal sharing of electrons. Therefore the molecule develop partial charges and becomes polar. Polar molecules have dipole moment that is the partial charge on molecules due to differences in electronegativity between atoms.
A non-polar bond is formed with atoms having the same electronegativity, hence the bonded pair of electron is shared equally between atoms. Non-polar molecules have no moment.
Note that: symmetrical molecules having polar bonds are non-polar because the dipoles of the bond exert equal and opposite effect. Hence the dipoles cancel the charges.
Example: HCl
In HCl, Cl is more electronegative therefore Cl atom pulls the electron pair of the covalent bond towards itself and develops a partial negative charge. Consequently H develops a partial positive charge. This therfore leads to the formation of a dipole.
Among ²⁸₁₂Mg ²⁴₁₂Mg, <u>²⁴₁₂Mg</u> is more stable.
<h3>Briefly explained</h3>
We can identify which isotope in the pair is more stable. Let's review the criteria that are used to determine a stable isotope. A stable isotope will have more neutrons than protons with a neutron to proton ratio somewhere between one and 1.52 On the high atomic number, we're up to 152 at low atomic numbers were closer to one.
More stable isotopes have an even number of protons and neutrons. And stable isotopes have their proton or neutron number equal to one of these magic numbers.
We have ²⁸₁₂Mg with 16 neutrons and 12 protons with the neutron to proton ratio of 1.33. And we compare that to ²⁴₁₂Mg With 12 neutrons and 12 protons and the neutrons to protons ratio of one. So we do have a relatively small Z value. So the new trying to approach on ratio should be close to one. Wherefore ²⁸₁₂Mg , although both of these are even we do have a pretty high neutron to proton ratio for a low atomic number.
So ²⁸₁₂Mg is likely less stable While²⁴₁₂Mg is more stable.
Learn more about stable isotope
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Solubility<span> is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent. It has units of grams of the substance per grams of solvent. We calculate the mass as follows:
311 g AgNO3 / 100 g water (350 g water) = 1088.5 g AgNO3
It can be rounded of to 1100 g of AgNO3. Therefore, option B is the correct answer.</span>
10ml of solute/100ml of solution *100% third one