Science, asked by arunsaroha3668, 11 months ago

Elements P, Q, R and S have atomic numbers 11, 15, 17 and 18 respectively. Which of them are reactive non-metals?
i) P and Q
ii) P and R
iii) Q and R
iv) R and S

Answers

Answered by reddyajaykumar743
27

Answer:

Answer:

Q and R are reactive non-metals

Explanation:

They have 5 and 7 electrons in their valence shell respectively, so they readily accept 3 and 1 electron(s) in order to complete their octet and become stable.

Answered by jeenalBaindha
0

c is your answer

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