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What change was made to the Mendeleev’s early Periodic Table? (How is it currently organized?

A.
They used atomic mass instead of atomic number to organize the elements.

B.
They included chemical properties such as bonding power.

C.
They included physical properties such as melting point and density.

D.
They used atomic number instead of atomic mass to organize the elements.

1 Answer

8 votes

Answer:

D

Step-by-step explanation:

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User Gavin Wong
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