kate035942 kate035942

15-02-2016
Chemistry

Answered

What determines the order of placement of the elements on the modern Periodic Table?

1.atomic number

2.atomic mass

3.the number of neutrons, only

4.the number of neutrons and protons

Verified Answer :

Anonymous Anonymous

15-02-2016

The periodic table was and still is arranged in increasing atomic number, aka number of protons.

Answer: 1.atomic number

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