Mini Project
Текст Раскадровки
- Hello. Ok.
- Hello Students.Please sit down.
- Classification of Matter
- An element is a pure substance that is made up of a single type of atom.
- So a element would have only one capital letter?
- An example of an element is H Hydrogen
- Yes
- A compound is a pure substance made up of two or more different elements that are chemically bonded.
- Let me guess. A compound has 2 or more different capital letters?
- Guess what?
- Correct
- An example of a compound is H2O Water.
- A molecule is a group of two or more atoms that are held together by chemical bonds.
- So a molecule has a number in the formula?
- Yes.
- An example of molecules with an element is H2 Hydrogen.
- An example of a molecule and compound is H2O2, Hydrogen Peroxide.
- Does a compound always have molecules?
- Yes, it does.
- Bye.
- School is over students, bye.
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