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The periodic table ____. a. is arranged by atomic mass b. was developed by early alchemists c. is arranged by the number of protons d. is divided into vertical periods and horizontal groups It's either
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5 votes
The periodic table ____.

a. is arranged by atomic mass
b. was developed by early alchemists
c. is arranged by the number of protons
d. is divided into vertical periods and horizontal groups

It's either a or c I'm pretty sure but i don't know which one​

User Refactorthis
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2 Answers

6 votes

Answer:

A. is arranged by atomic mass and/or number

Step-by-step explanation:

hope i helped

User Pramod Mali
by
6.5k points
3 votes

Answer:

both a and c

Step-by-step explanation:

it shows the mass of the element along with protons

User WhatsUp
by
6.3k points
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