What did scientists discover when they arranged elements in order of increasing atomic mass?

A.
a repeating pattern of properties

B.
a puzzling series of numbers

C.
alphabetical arrangement of the names of elements

D.
no patterns or relationships

Question

What did scientists discover when they arranged elements in order of increasing atomic mass?	
 
 A.
a repeating pattern of properties
 
 B.
a puzzling series of numbers
 
 C.
alphabetical arrangement of the names of elements
 
 D.
no patterns or relationships

cookie_2046 · Answer

@is3535  @TheSmartOne  @raynebow<3  @Evil-cow-8  @whydoihavetosignup1  @akonkel  @sleepyjess  @dan815  @GirlgoyleH.  @hick4life

cookie_2046 · Answer

I believe A

anonymous · Answer

Oh darling, I have no idea haha. Science really isn't my thing:/ sorry love
~Best wishes

thesmartone · Answer

Have you done any research on your question at all?

cookie_2046 · Answer

yes @TheSmartOne they discover a repeating pattern of properties