### <Success style="font-size:25px"> Chemical Bonding Molecular Structure L-3 </Success> ### <primary style="font-size:24px"> Chemical bonding and molecular structure </primary> <hr> <main> <div style='float: left; width:50%;text-align:center;font-size:30px'> </div> <div style='float: right; width:0%;'>  </div> </main> <hr> <footer style = "font-size: 18px"> $\rightarrow$ $\rightarrow$ <span style = "color:blue"> Chemical bonding and molecular structure </span> $\rightarrow$ VSEPR model $\rightarrow$ VSEPR model </footer>

### <Success style="font-size:25px"> Chemical Bonding Molecular Structure L-3 </Success> ### <primary style="font-size:24px"> VSEPR model </primary> <hr> <main> <div style='float: left; width:50%;text-align:left;font-size:30px;'> - Valence shell electron pair repulsion model - Regions of electron density = bonding electron pairs - lone pair - $CO_2$ - 4 + 2 $\times$ 6 = 16 valence $e^-$ </div> <div style='float: right; width:50%;'> <!----> <img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/bf88b537-0b39-47fe-0344-453eae8c1000/public" width="60%"> </div> </main> <hr> <footer style = "font-size: 18px"> $\rightarrow$ Chemical bonding and molecular structure $\rightarrow$ <span style = "color:blue"> VSEPR model </span> $\rightarrow$ VSEPR model $\rightarrow$ VSEPR model </footer>

### <Success style="font-size:25px"> Chemical Bonding Molecular Structure L-3 </Success> ### <primary style="font-size:24px"> VSEPR model </primary> <hr> <main> <div style='float: left; width:50%;text-align:left;font-size:30px;'> - $BF_3$ - $3+\underbrace{3\times7}_{\text{21}}$ = 24 valence $e^-$ - Electron deficient or lewis acid - Shape - trigonal planar </div> <div style='float: right; width:50%;max-width:550px;'> <!----> <img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/7057244d-ec52-429d-e46d-dc5b56816000/public"> </div> </main> <hr> <footer style = "font-size: 18px">Chemical bonding and molecular structure $\rightarrow$ VSEPR model $\rightarrow$ <span style = "color:blue"> VSEPR model </span> $\rightarrow$ VSEPR model $\rightarrow$ VSEPR model </footer>

### <Success style="font-size:25px"> Chemical Bonding Molecular Structure L-3 </Success> ### <primary style="font-size:24px"> VSEPR model </primary> <hr> <main> <div style='float: left; width:50%;text-align:left;font-size:30px;'> - $CH_4$ - Contains 4 electron pairs - Shape- tetrahedral </div> <div style='float: right; width:50%;'> <!----> <img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/7069dc9b-3fcb-4cff-8d2f-eec45da2f500/public" width="80%"> </div> </main> <hr> <footer style = "font-size: 18px">VSEPR model $\rightarrow$ VSEPR model $\rightarrow$ <span style = "color:blue"> VSEPR model </span> $\rightarrow$ VSEPR model $\rightarrow$ VSEPR model </footer>

### <Success style="font-size:25px"> Chemical Bonding Molecular Structure L-3 </Success> ### <primary style="font-size:24px"> VSEPR model </primary> <hr> <main> <div style='float: left; width:50%;text-align:left;font-size:30px;'> - $NH_3$ - 3- bonding pairs - 1- lone pair - Valence $e^-$ = 5 + 3 = 8 $e^-$ - Bonded $e^-$ = 6 $e^-$ - Unshared $e^-$ = 8 - 6 = 2 $e^-$ - Shape- trigonal pyramidal </div> <div style='float: right; width:50%;max-width:450px;'> <!----> <img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/7c2cf42b-a306-4324-0ad6-00360de1d900/public" width="60%"> </div> </main> <hr> <footer style = "font-size: 18px">VSEPR model $\rightarrow$ VSEPR model $\rightarrow$ <span style = "color:blue"> VSEPR model </span> $\rightarrow$ VSEPR model $\rightarrow$ VSEPR model </footer>

### <Success style="font-size:25px"> Chemical Bonding Molecular Structure L-3 </Success> ### <primary style="font-size:24px"> VSEPR model </primary> <hr> <main> <div style='float: left; width:50%;text-align:left;font-size:30px;'> - $CH_4$ - 4 bond pairs - $NH_3$ - 3 - bond pairs - 1 - lone pair - Lone pair-lone pair repulsion >lone pair - bond pair repulsion > bond pair - bond pair repulsion - $H_2O$ - Shape - bent (or) angular structure </div> <div style='float: right; width:50%;max-width:180px;'> <!----> <img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/0472087b-f565-4a6e-fb16-e7ca1bc20300/public"> </div> </main> <hr> <footer style = "font-size: 18px">VSEPR model $\rightarrow$ VSEPR model $\rightarrow$ <span style = "color:blue"> VSEPR model </span> $\rightarrow$ VSEPR model $\rightarrow$ Structure </footer>

### <Success style="font-size:25px"> Chemical Bonding Molecular Structure L-3 </Success> ### <primary style="font-size:24px"> VSEPR model </primary> <hr> <main> <div style='float: left; width:100%;text-align:center;font-size:25px;'> | Number of electron regions | Arrangement | | -------- | -------- | | 2 | Linear | | 3 | Trigonal Planar | | 4 | Tetrahedral | | 5 | Trigonal bipyramidal | | 6 | Octahedral | </div> <div style='float: right; width:00%;'>  </div> </main> <hr> <footer style = "font-size: 18px">VSEPR model $\rightarrow$ VSEPR model $\rightarrow$ <span style = "color:blue"> VSEPR model </span> $\rightarrow$ Structure $\rightarrow$ Structure </footer>

### <Success style="font-size:25px"> Chemical Bonding Molecular Structure L-3 </Success> ### <primary style="font-size:24px"> Structure </primary> <hr> <main> <div style='float: left; width:50%;text-align:left;font-size:30px;'> - $P F_5$ </div> <div style='float: right; width:50%;max-width:550px;'> <!----> <img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/35c2d15a-6f07-4d71-b2c8-d99d8ef7dc00/public" width="40%"> </div> </div> </main> <hr> <footer style = "font-size: 18px">VSEPR model $\rightarrow$ VSEPR model $\rightarrow$ <span style = "color:blue"> Structure </span> $\rightarrow$ Structure $\rightarrow$ Structure </footer>

### <Success style="font-size:25px"> Chemical Bonding Molecular Structure L-3 </Success> ### <primary style="font-size:24px"> Structure </primary> <hr> <main> <div style='float: left; width:50%;text-align:left;font-size:30px;'> - $SF_4$ - 4 bond pairs and 1 lone pair - Valence $e^-$ = 6 + 4 $\times$ 7 = 34 $e^-$ - Bonded $e^-$ = 8 $e^-$ - Unshared $e^-$ = 34 - 8 = 24 $e^-$ - 5 regions of electron density </div> <div style='float: right; width:50%;max-width:600px;'> <!----> <img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/f6b24aff-ad31-4200-eb7f-9edb6097de00/public" width="80%"> </div> </main> <hr> <footer style = "font-size: 18px">VSEPR model $\rightarrow$ Structure $\rightarrow$ <span style = "color:blue"> Structure </span> $\rightarrow$ Structure $\rightarrow$ Thank you </footer>

### <Success style="font-size:25px"> Chemical Bonding Molecular Structure L-3 </Success> ### <primary style="font-size:24px"> Structure </primary> <hr> <main> <div style='float: left; width:50%;text-align:left;font-size:30px;'> - $BrF_3$ - Valence $e^-$ = 7 + 3 $\times$ 7 = 28 $e^-$ - Bonded $e^-$ = 6 $e^-$ - Unshared $e^-$ = 28 - 6 = 22 - 18 = 4 $e^-$ - Shape- T-shape </div> <div style='float: right; width:50%;max-width:400px;'> <!----> <img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/b5e200bf-e0a8-4d12-efdc-5dd41862a200/public" width="60%"> </div> </main> <hr> <footer style = "font-size: 18px">Structure $\rightarrow$ Structure $\rightarrow$ <span style = "color:blue"> Structure </span> $\rightarrow$ Thank you $\rightarrow$ </footer>

### <Success style="font-size:25px"> Chemical Bonding Molecular Structure L-3 </Success> ### <primary style="font-size:24px"> Thank you </primary> <hr> <main> <div style='float: left; width:50%;text-align:center;font-size:30px;'> </div> </main> <hr> <footer style = "font-size: 18px">Structure $\rightarrow$ Structure $\rightarrow$ <span style = "color:blue"> Thank you </span> $\rightarrow$ $\rightarrow$ </footer>