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Chem4Kids Quiz: Periodic Table


QUESTION 2:

INCORRECT
The elements of the periodic table are organized by atomic number. Hydrogen and helium make up the top row of the periodic table at numbers one and two. The atomic number represents the number of protons and electrons in a neutral atom.

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RELATED LINKS
- Chem4Kids: Atoms
- Chem4Kids: Elements
- Chem4Kids: Periodic Table
- Chem4Kids: Halogens
- Geography4Kids: Carbon Cycle
- Geography4Kids: Nitrogen Cycle
  
- General Chemistry
- Matter Qz.
- Elements Qz.
> Per. Table Qz.
- Halogen Qz.
- Atoms Qz.
- Atom Struct. Qz.

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