Sunday, April 28, 2019

Solutions and Solubility

Class, here are some pictures and videos on Solutions and Solubility. Watch them and compare with your class notes. Hope it helps. 






A hot solvent can usually hold more solute than a cool solvent can (temperature increase).
But if a hot saturated solution is cooled slowly, sometimes the excess solute remains dissolved for a period of time (it doesn't settle yet).
Such a solution is said to be supersaturated, because it contains more than the normal amount of solute that can be dissolved at a lower temperature (it went over its limit).


The following are Summary Notes for this topic. Feel free to look at it and print it if you want:


Friday, April 12, 2019

Topics on Matter Test, Videos, Periodic Table Game

Here are the topics on next week's Test. You can click on the picture to see it bigger.


Here are some pictures from my slides that will help you too. Again, click on them to see it bigger:









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This is an excellent Review Video on Matter and its Properties:

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Here is another Video on Elements, Compounds, and Mixtures:

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Periodic Table game-- Sort these Elements into metals, metalloids, and nonmetals. It's a fun game!:
BrainPop Game- Sortify Elements



This is a BrainPop video on the Periodic Table:
BrainPop- Periodic Table of Elements


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This is an online version of the Periodic Table:
Ptable

Friday, April 5, 2019

Periodic Table Vocabulary (for LAB too)

Class, here are some important Vocabulary words to know about the Periodic Table:


malleable- can be bent into various shapes.

brittle- can break easily

reflective luster- shiny

dull- not shiny

ductile- can be made into wires

isotopes- atoms of the same element that have different number of neutrons

noble gases- elements in the last group of the Periodic Table (Group 18) that are very stable and don't react with other elements. They exist on their own.


Click on the following box to read more about what Metalloids are:


Here's a picture of the Periodic Table. Click on it to see it bigger. **If you can't see it too well because it's blurry, you can see a clearer picture of this Periodic Table by clicking on this link --> Periodic Table diagram