PLEASE HELP ME I DONT WANT TO FAIL

Chemistry

1 answer:

Grace [21]3 years ago

4 0

Answer: Within each element square, information on the element's symbol, atomic number, atomic mass, electronegativity, electron configuration, and valence numbers can be found. At the bottom of the periodic table is a two row block of elements that contain the lanthanoids and actinides.

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Levart [38]

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Hello!!! Princess Sakura here ^^

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