Chemistry, asked by rprabir1966gmailcom, 11 months ago

a radio active elemint in periodic tabel
(1)Oxygen
(2)Thorium
(3) BARIUM
(4) HYDROGEN

Answers

Answered by Sandipan1265

Answer:

2) Thorium is the answer

Answered by sohailmohammed998998

Answer:

thorium is the answer

Explanation:

ثاتثتقعقه

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