题库 Science 题目列表 Isotopes are atoms of an element that are differen...
Single Choice
Isotopes are atoms of an element that are different because they have a different number of which of the following?
A.

Protons

B.

Neutrons

C.

Electrons

D.

Nuclei [NOO-klee-eye]

题目信息
Normal MiddleSchool
-
正确率
0
评论
0
点击