Chemistry, asked by harpreetkaur82458, 10 months ago

please answers these question please its urgent guys please....all Question:1,2,3

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Answered by rachnaagrawal1979

2

Answer:

Q1.Na(23.7)

Sr(89.5)

Q2.(a)In collection of"Na,Si,Cl" the mass of second element is not the average mass of first and second element.

Q3. 23u

average of 7 and 39 is 23

Explanation:

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