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

Answer 1

@jddegrove

Answer 2

@TheEdwardsFamily

Answer 3

d

Answer 4

not quite.

Answer 5

what else do you think? @Kitten_is_back

Answer 6

c

Answer 7

almost, cross out C and D now you're left with A and B

Answer 8

hint why does periodic table arranged in the way it is

Answer 9

brb

Answer 10

ok

Answer 11

bacl for a bit a

Answer 12

yes, it's A

Answer 13

thanks

Answer 14

np