chemistry
Storyboard Text
- Slide: 1
- COVALENT VILLAGE
- IONIC CITY
- Why is this so confusing? Ionic bonds, covalent bonds....what does it all mean?
- Woah! Who are they?
- Welcome, Mia! I’m Ion, and the lady over there is Cova. We’ll show you the ropes of bonding! Come on let's go explore Ionic city first!
- Here in Ionic city, we transfer electrons from metals to non-metals. Let me show you an example with my friends Magnesium and Chlorine!
- Hi I am Magnesium!
- And I am Chlorine!!
- MEE!! Magnesium Chloride!
- Slide: 2
- These are some of my other friends! They are the Ionic compounds! Let me introduce them to you. They are very strong and hard and they have high melting and boiling points
- I am Sodium Chloride (NaCl)
- I am Lead Nitrate (Pb(NO3)2)
- And I am Copper(II) Oxide (CuO)
- Hello! How has your visit been so far? We are the covalent compounds. We are created when an electron pair is shared between atoms, a covalent bond is formed. The compounds that possess covalent bonding are called covalent compounds
- Hi Cova! Nice to meet you.
- Oh wow!
- Well come on! Let me introduce you to some of my friends!
- Slide: 3
- Wow! That's what I call teamwork. I like this method too.
- This is Hydrogen and Oxygen Here, we share electrons equally. Watch as Hydrogen and Oxygen share their electrons to form water.
- When electrons are shared equally H2 and O2 form me! I am Water, also known as H20. I am the one that keeps you hydrated! We covalent bonds have low melting and boiling points and we are poor conductors of electricity because our force of attraction are not very strong. Unlike ionic bonds, we are soft and flexible! We have the tendency to attain a completely filled outershell.
- I get it now! Ionic bonds are about transferring electrons and forming charged ions, while covalent bonds are about sharing electrons and forming stable molecules
- Slide: 0
- And together we form..
- We are also known as the Electrovalent compounds. We are solids and somewhat hard due to our strong force of attraction between positive and negative ions. We have a weakness...we are brittle and break into pieces when pressure is applied. We also have strong melting and boiling points! And we conduct electricity in molten state however we do not conduct electricity in solid because it is not possible due to the rigid structure.
- Hello!
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