How are the electron structures of hydrogen (H) and lithium (Li) similar?

A. They both have 1 electron in an s sublevel.

B. Neither one has any valence electrons.

c. They both have valence electrons in the 1s sublevel.

D. They both have valence electrons in the first main energy level.

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

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