Chemistry, asked by gungun5750, 11 months ago

if the relative formula mass of a is 90 what is the molecular formula of a

Answers

Answered by kushagrh9191

2

Answer:

thorium

Explanation:

hope you have understood

Answered by sahilthekiller

0

Ans:

Zr=40

Explanation:

The relative formula mass of Zr is approximate 91.224

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