The atomic weight of an unknown element,in atomic mass units (amu),is approximately 20% less than that of calcium. The atomic we

Question

3 years ago

13

ight of calcium is 40 amu. What is the approximate weight,in amu,of the unknown element?

2 answers:

romanna [79] · Answer 1 · 2022-02-03T19:59:04+03:00

5 0

I don't know what ur talking about I'm in 6th grade LOL

Mnenie [13.5K] · Answer 2 · 2022-02-03T17:55:07+03:00

4 0

Amu of unknown element = 40 - (20% * 40)
= 40 - 8
= 38 amu

therefore, the approximate weight of the unknown element is 38 amu.

hope this helps.