在历年的化学中考中,都会涉及粒子名称、粒子符号等化学用语的考查。下面就讲讲根据粒子结构示意图确定粒子名称及符号的方法。原子是由居于原子中心的带正电的原子核和核外带负电的电子构成的。由于原子核与电子所带电量相等,电性相反,所以整个原子不显电性。原子核又是由质子 In the chemistry examinations over the years, examinations of chemical terms such as particle names and particle symbols are involved. Here’s how to determine the particle name and symbol based on the particle structure diagram. Atoms are composed of positively charged nuclei that reside in the center of the atom and negatively charged electrons outside the nuclei. Since the nucleus and the electrons have the same amount of charge, and the electrical properties are the opposite, the entire atom is not galvanic. The nucleus is again made of protons