ExamPlay Light Logo
Zalogować się

WAEC - Physics (1994 - No. 29)

The nucleon number and the proton number of a neutral atom of an element are 238 and 92 respectively. What is the number of neutrons in the atom?
330
238
146
119
73

Wyjaśnienie

238 - 92 = 146

Uwagi (0)

Reklama