Chemistry, asked by shreyashmajge, 8 months ago

Mark a pair that contain isotopes.
31H, 3 He
13N, 14_N
15,N, 1620
40 18AT,
40
'19K

Answers

Answered by luckylohani2018

1

Answer:

pta nhi yrr

chemistry nhi aati

main coommerce ka hu

Explanation:

tu kr lena apne aap

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