Vocabulary Words
Storyboard Text
- Nooooo!!!, I have a biology quiz today and part of it is about atoms and I forgot!
- Thak you so much Ian!
- Don't worry too much Micheal . An atom is composed of electrons which are negatively charged, protons(positively charged), and neutrons(neutral). You should also know that an atom is the smallest unit of matter.
- You just asked in time for the quiz. Well, a ionic bond is a chemical compound formed when one one or more electrons are transferred from one atom to another and a covalent bond is between atoms and electrons are shared.
- Miss I don't know what is the difference between ionic bond and covalent bond.
- Yes, Ian; okay now class no more questions, time to start the quiz.
- Miss quick question , an isotope contains the same amount of protons and different amount of neutrons right?
- The meaning for buffer was, a compund that prevents sharp, sudden changes in pH.
- Oh noooo , I think I choose the wrong definition for the word buffer.
- Yes, Ian ; okay now class we are going to start the quiz.
- I knew that the quiz got to the best of us, next time we will be prepare.
- Miss , solvent is the dissolving substance in a solution right?
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