Is covalent bond 100% covalent yes or no
No, it is nonpolar covalent as it is only one element.
A bond made out of two atoms of the same element would be 100% covalent at an instance that the electrons are positioned symmetrically along the central axis. Practically, there are no 100% covalent bonds existing.
The bond between oxygen and fluorine shows polar covalent character.
covalent is 100%sure, but there may be hydrogen bonds aswell
Ionic Well it is at least partially covalent (H-C). However, according to my OChem book it's 100% covalent but the C-Li bond is strongly polar. Apparently a bond is generally ionic if the electronegative difference between the two atoms is greater than 1.9 C =2.5 LI=1.0 2.5-1.0<1.9 therefore the bond is covalent.
No, it is nonpolar covalent as it is only one element.
A bond made out of two atoms of the same element would be 100% covalent at an instance that the electrons are positioned symmetrically along the central axis. Practically, there are no 100% covalent bonds existing.
The bond between oxygen and fluorine shows polar covalent character.
covalent is 100%sure, but there may be hydrogen bonds aswell
Electronegativity dif. - dEN 0 > dEN > 0.6 ----> covalent (I think this is what you mean by "similar") 0.7 > dEN > 1.6 -----> polar covalent 1.7 > dEN > 4.0 ------> ionic
Ionic Well it is at least partially covalent (H-C). However, according to my OChem book it's 100% covalent but the C-Li bond is strongly polar. Apparently a bond is generally ionic if the electronegative difference between the two atoms is greater than 1.9 C =2.5 LI=1.0 2.5-1.0<1.9 therefore the bond is covalent.
Polar Covalent - Polar covalent bonds are intermediate to ionic and covalent bonds. Polar covalent bonds form between atoms of different elements and occur when neither element has a strong enough attraction (electronegativity) for the electrons to remove them completely from one another (ionic), but also in which their attractions for the electrons are not equal (covalent). The result of this is that the electrons spend more time orbiting one atomic nucleus than the other. One atom now has a negative charge more than 50 percent of the time, but less than 100 percent and the other atom involved has a positive charge more than 50 percent of the time, but less than 100 percent. The bond is not ionic and not covalent, but rather polar covalent. That sounds more what water is.
No; it is not possible.
yes
In this case, Mg has a value of 1.3 and N has a value of 3.0, so it is an ionic bond. Ionic and covalent bonds are on a continuum. Some "ionic" compounds are in fact partly covalent because the positive cation (e.g. magnesium) polarizes (attracts the electrons of) the anion forming a stronger bond than if it was 100% ionic. A table of ELECTRONEGATIVITY can help one determine whether a bond is ionic or covalent. The bigger the difference in electronegativity the more ionic the bond.
Ionic Bonds are the transfer of electrons usually between a non metal and a metal ( Na + Cl is an ionic bond). It is generally a weak bond so it is easy to break it (Mixing salt with water) The other major type of bond is covalent where both atoms share electrons. With this sharing of covalent bonds it could be unequal because of the electronegativity (how strong the attraction of electrons is) of the different atoms. Water is very polar because Oxygen is more electronegative than the two oxygens. Ionic- Transfer of electrons Covalent- Sharing of electrons
Solubility in water0.56 g/100 mL (0 °C) 0.67 g/100 mL (20 °C) 1.72 g/100 mL (100 °C) AlF3 is soluble but not very. With two electro-negative heavy-weights like Al and F we would expect to see some covalent behavior.