Question

write the formula of valency electrons
after collision
before collision
isotopes
average atomic mass​

Answer 1

Explanation:

write the formula of valency electrons

after collision

before collision

isotopes

average atomic mass

Answer 2

Answer:

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Explanation:

soo . u told u have a crush on a boy . Which is that lucky boy?? . I am good. How r u ?

there r 8 planets in solar system . Sone people include Pluto ( in that case 9 planets)