Question

?
Mendeleeus
coder
Which of the following options
options is in Conorect about
periodic
dic table?
ay Elements were placed in an increasing
of the atomic masses
br These were & groups
c. These were
gases gorouped
d) Isotopes were
Noble
were not
placed in an
ed in an ordenly
manner​

Answer 1

Answer:

MARK AS BRAINLIST

Explanation:

Isotopes were

Noble

were not

placed in an

ed in an ordenly

manner​