Which of the following statements is(are) true?
i.O and F have the same number of neutrons.II.C and N are isotopes of each other because their mass numbers are the same.III.O2- has the same number of electrons as Ne.
A) I only
B) II only
C) III only
D) I and II only
E) I and III only
Correct Answer:
Verified
Q5: Which of the following pairs of compounds
Q6: The element rhenium (Re) exists as two
Q7: The ion 14N3- has
A) 7 protons, 7
Q8: When 2.0 L of oxygen gas (O2)
Q9: Which of the following statements is(are) true?
i.The
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
Q14: Which of the following represents a pair
Q15: Which is the symbol for the isotope
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