Hon Chemistry 2-28-20 Resonance & Polyatomic Ions & Molecular Geometry

HON CHEMISTRY: Who knew we’d be doing geometry in chemistry?!? Great job today! Lewis structures, multiple bonds, and now resonance, polyatomic ions and molecular geometry – wow, that’s a lot you’ve conquered in the last few days!!

Molecular geometry is super easy. Make sure you know how to draw Lewis structures, then determine the type of ABE structure and you’ve got it. Here’s a copy of Molecular Geometry Shapes – VSEPR handout. Be sure and memorize the shape and the ABE structure that goes with it. Easy-peazy!

Here’s some good advice – don’t take shortcuts. Learn the proper steps on the easier molecules, and you’ll be able to do the hard ones. And if it’s still all Greek to you, don’t worry! Keep practicing and you’ll get it, I promise!! Don’t forget to count electrons and don’t forget CONS!

flickr photo by Ron Layters

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6 thoughts on “Hon Chemistry 2-28-20 Resonance & Polyatomic Ions & Molecular Geometry

  1. I read a news article this week about how astronomers spotted an explosion in space that may be one of the biggest ever recorded in history. It was the result of a black hole 390 million light years away, and they believe that it was caused by an enormous black hole at the center of the Ophiuchus galaxy. The blast is said to be five times greater than the previous largest blast in our universe. 10/10 would read.

  2. I’ve read an article tonight that stuck out to me personally. It says that we process a song’s lyrics and melody on different sides of the brain. It also goes into detail about how we can more easily identify a song by its melody not its lyrics. If you like music and science, it is a must-read.

  3. For my sitn this week, I read an article about how scientists can detect concussions from the injured person’s blood sample. They took blood samples from around 2000 college athletes. They found that the ones who had head injuries had a spike in the amount of proteins they had, but the ones without injuries did not have a change in their protein levels. This is how concussions can be detected from blood samples.

  4. My article was on why some icebergs have a green coloration and most others do not. After somewhat recent research scientists believe that the green hue in some icebergs is a result of them containing iron. Inversely, they believe that the ones that do not contain a substantial amount of iron are not green because of this lack of iron. This is why some icebergs appear green and others do not.

  5. My article was about how turning dead bodies into compost is a good alternative choice to embalming or cremation. Embalming introduces toxics into soil, and cremation increases carbon emittions. Recent studies have shown that turning dead bodies into compost is good for the soil.

  6. My article was about carbon pollution and how humans and nature both affect the amount of carbon. Too much carbon in the air is really bad and people release a lot of carbon daily, but natural disasters like earthquakes and just nature like volcanoes can disturb underground deposits of carbon and release it into the atmosphere. There is about 43,500 billion tons of carbon found above ground but an estimated 1.845 billion billion tons stored underground. But people release about 10 billion tons of carbon every year with our modern lifestyle.

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