Periodic Table: Classifications Video Lessons

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Problem: Which of the first 20 elements in the periodic table are metal and which are non-metals?

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We're being asked to determine which of the first 20 elements in the periodic table are metal and which are non-metals.

Referring to the periodic table:

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Which of the first 20 elements in the periodic table are metal and which are non-metals?

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Our tutors have indicated that to solve this problem you will need to apply the Periodic Table: Classifications concept. You can view video lessons to learn Periodic Table: Classifications. Or if you need more Periodic Table: Classifications practice, you can also practice Periodic Table: Classifications practice problems.