Question

In modolbou period
table some elemente
with heigher afmore
masses have boon
placed before elements
el lower atom/chass
Identify the element​

Answer 1

Answer:

Atomic mass will generally increase from left to right and always increase from top to bottom in a periodic trend of periods and groups. So it is clear that elements with lower atomic masses are placed before the elements with higher atomic masses.

Answer 2

Atomic mass will generally increase from left to right and always increase from top to bottom in a periodic trend of periods and groups. So it is clear that elements with lower atomic masses are placed before the elements with higher atomic masses.

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