Q.1.Fill in the blank and rewrite the completed statements 18 1.Atoms of same element having different mass number are called …………… . Ans Atoms of same element having different mass numbers are called isotopes. 2……..is used in the treatment of goiter, disease of thyroid gland. Ans Iodine-131 is used in the treatment of goiter, disease […]
5. Inside the Atom
5. Inside the Atom
MCQ on Maharashtra state Board 8th science topic 5. Inside the Atom
1) An atom is formed from the nucleus and the extra-nuclear part. A ) True B ) False Ans A ) True 2) Which of the following is the correct electronic configuration of Sodium (11)? A ) 2, 8 B ) 1, 8, 2 C ) 2, 8, 1 D ) 2, 1, 8 […]
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