Elements are arranged so that the ones with similar chemical and physical properties are stacked in vertical groups, and there are 8 groups (see the numbers at the top?) with either an A or B after the number? I know they’re written in Roman… just remember that IV means four, and VI means six. Sometimes you’ll see them numbered 1-18 starting with hydrogen on the left.


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The rows are called periods. Now point to the metals… what colors are those? There are lots of them!


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8 Responses to “Periodic Table”

  1. Please make sure you are logged in. You can log out, then back in and hit refresh. If that doesn’t work, please try a different device or web browser. If that still doesn’t work, please send me an email about it so I can help.

  2. I don’t see a video attached above

  3. youngsurrender says:

    Ok! Thank you so much Mrs. Aurora!

  4. Kelvin is the units for the absolute temperature scale. For example, zero degrees Celsius is also 32 degrees Fahrenheit which is also 273 Kelvin. It’s like measuring something with a different ruler, like inches, centimeters, etc. For more on temperature specifically, visit Unit 13 and watch the special science teleclass!

  5. youngsurrender says:

    What is Kelvin? Is it a chemical on the periodic table used for heating things, or is it a chemical used for mixing wth other chemicals for experiments?

  6. hunybear81 says:

    That was a wonderful lesson, thank you!:)

  7. Julie Daw says:

    Where should I look for the video mentioned at the end of this wonderful lesson about the periodic table? I think the video is about the first column of metals interacting with water.