The natural element whose atomic no. is greater than …… are radioactive

The natural element whose atomic no. is greater than …… are radioactive

Options:

(a) 52

(b) 62

(c) 72

(d) 82

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

(b) The natural element whose atomic no. is greater than …62… are radioactive.

4 views Answered 2023-02-05 15:29

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