Which of the following represents a pair of isotopes?
A) (157N, 158O)
B) (11H, 21H)
C) (147N, 158O)
D) (3115P, 3115P3-)
E) (C, C60)
Correct Answer:
Verified
Q9: Which of the following statements is(are) true?
i.The
Q10: Which of the following statements is(are) true?
i.O
Q11: Which among the following represent a set
Q12: Which are alkaline earth halides?
A) MgO, MgS,
Q13: Which of the following atomic symbols is
Q15: Which is the symbol for the isotope
Q16: According to the law of definite proportions,
A)
Q17: Which element does not belong to the
Q18: How many protons, neutrons, and electrons does
Q19: An ion is formed
i.by either adding protons
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