Which of the following pairs represents a pair of isotopes?
A. 8p + 8n ; 8p + 9n
B. 9p + 9n ; 8p + 9n
C. 18p + 22n ;16p + 24n
D. 9p + 9n ; 8p + 10n
Answer:A
Which of the following pairs represents a pair of isotopes?
A. 8p + 8n ; 8p + 9n B. 9p + 9n ; 8p + 9n C. 18p + 22n ;16p + 24n D. 9p + 9n ; 8p + 10n