Which is the symbol for the isotope of nitrogen that has 7 protons and 8 neutrons?
A) 
B) 
C) 
D) 
Correct Answer:
Verified
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
Q14: Which of the following represents a pair
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
Q20: An element's most stable ion forms an
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