Science第 72 / 120 题
Which subatomic particle carries a negative electrical charge?
a.Electron
b.Proton
c.Neutron
d.Nucleus
解析
Electrons carry a negative charge and orbit the nucleus. Protons carry a positive charge, and neutrons have no charge; both protons and neutrons reside in the nucleus.
免费刷完整 120 道题库 — 无需注册。
同考点相关题目
- Which of the following is an example of a chemical change?
- The central nervous system consists of which two structures?
- What is the process by which plants convert sunlight into chemical energy?
- Which system includes the bones and provides support and protection for the body?
- What is the main function of red blood cells?
- In a controlled experiment, the variable that is deliberately changed by the researcher is called the: