Question

10. অষ্টক ব্যতিক্রমী সুস্থিত ক্যাটায়নের উদাহরণ দাও। ​

Answer 1

Explanation:

each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter. Each element is distinguished by its atomic number, i.e. the number of protons in the nuclei of its atoms.

Fe