What is a Coordinate Covalent Bond? 

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Late reply, but for anyone else wondering, I believe so! From LibreTexts Chemistry: "A hydrated ion is one kind of a complex ion (or, simply, complex), a species formed between a central metal ion and one or more surrounding ligands..."

I, Mrs.potato,want 300 subs basically, a dative covalent bond is when atoms share two electrons.

@@darlenee.l.3131 how do i know if atoms have this exact bond? Is there like a table? Can i memorise them?

I, Mrs.potato,want 300 subs they are mentioned in the video...you can also look up 'lewis acids and bases' these are ions and molecules that specifically share dative bonds.

same bro

Well, one of the defining characteristice of a covalent bond is that one atom bonds with another, they bond by each sharing one of their unpaired valence electrons. And a lot of the time that is the case. But there are almost always some degree of variations to these "rules". The coordinate covalent bond is one of those variations. The group number of the column (on the periodic table) that the atom can be found in, tells you how many valence electrons an atom has. The octet rule states that atoms typically strive for 8 electrons to make a stable compound. In the 2nd example in the video, Boron is shown to have 3 valence electrons (because it is in group 3). And Flourine has 7. So F has one unpaired valence electron, and boron has 3. So the 3 F atoms bond w one B and they share electrons. So now boron has 6 electrons in valence. N has 5 valence (group 5) and 3 are unpaired. So each of N unpaired electrons bond w one of the 3 Hydrogen atoms (each w one valence electron). So that means the nitrogen has 6 paired electrons and 2 unpaired. So 8 total (octet rule). And remember Boron only has 6. So in this case a "coordinate covalent bond" can take place. Boron has no other unpaired electrons to share. So N shares its paired electrons. Now Boron and Nitrogen both have 8 valence electrons. This happens bc the electronegativity values for N makes it slightly negative (pulls electrons closer to itself), and Boron (less valence e) is slightly positive (less valence electrons). The slight positive and negative charges, allow the coordinate covalent bond to take place.

Yup coordinate bonds are denoted by a arrow --->

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Muhammad Khan I have the same question.

From the Ag+

The plus comes from N, Nitrogen which is the central atom of NH3 will donate its lone pair to form coordinate bond with Ag, the donor atom will have a positive charge and the receiver atom will have a negative charge. Therefore, the positive charge comes from N

one electron cancels the charge and other a charge

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Yes thats about it, but coordinative bond usually requires one atom to have lone pair and the other atom to have an empty orbital inorder for this bond to form.

@@jobuxzics2581 ik its late but thanks fir the help got an exam next week haha

Nitrogen has 7 electrons in total but here we consider valence electrons which are only 5 and among the 3 electrons forms bond with 3 H electrons and two are remaining...

Nope

You're thinking about polarity. Bromine is a diatomic, covalent, and non-polar gas.

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Coco Loco it’s not really “giving” the electrons up as much as it is “sharing them”. In an ionic bond, the cation loses the electron it gives up completely while in coordinate covalent bonds, they are shared between both atoms.

Ag and N would give a Polar covalent Bond

It would be a covalent bond, the bonding can be calculated by subtracting the electronegativity of Ag from that of N, if it is less than 1.6 it is covalently bonded. (3.04 - 2 = 1.04)

@@R00K1 how do we get the value of electronegativity of the element?

Fiymie Azman best bet is to Google tables as I don't believe they can be calculated in situ, I believe they're calculated in comparison to the bonding of hydrogen, with the value of 2.1

@@R00K1 got it. thanks buddy

Yes

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A lewis base with two electron pairs must donate to the lewis acid in order to create the coordinate covalent bond. (two electrons donated from one atom)

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