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Elements found in the same periods of the modern periodic table are _____. A. found in the same row B. found in the same columns C. grouped according to atomic number D. grouped according to atomic mass
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Elements found in the same periods of the modern periodic table are _____.

A. found in the same row

B. found in the same columns

C. grouped according to atomic number

D. grouped according to atomic mass

User Ramkesh Yadav
by
2.8k points

2 Answers

14 votes
As far as I know, they are grouped according to increasing atomic number
User Atish Agrawal
by
3.7k points
3 votes
Try C I’m sorry if you get it wrong but I’m like 90% sure
User Andreihondrari
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3.7k points
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