In science,a proton has a positive charge while an electron has a ___ charge. A. negative B. neutral C. positive D. zero 相关知识点: 试题来源: 解析 A。选项 A“negative”是“负的”,质子带正电,电子带负电。选项 B“neutral”是“中性的”;选项 C“positive”是“正的”;选项 D“zero”...
求语法题a proton has a positive charge and an electron a negative charge,but a neutron has a neither b both WHY? 答案 质子带正电,电子带负电,中子不带电(正负电都不带).Neither就是都不的意思,所以选A相关推荐 1求语法题a proton has a positive charge and an electron a negative charge,but ...
Put a proper word on each blank. 质子带正电,电子带负电,而中子既不带正电,也不带负电。 译:A proton has a positive charge and an electron a negative charge, but a neutron ___ ___.相关知识点: 试题来源: 解析 has;neither 反馈 收藏 ...
a proton has a positive charge and an electron a negative charge,but a neutron has a neither b both WHY? 英语作业帮用户2016-11-24 举报 用这款APP,检查作业高效又准确!扫二维码下载作业帮 拍照搜题,秒出答案,一键查看所有搜题记录 优质解答 质子带正电,电子带负电,中子不带电(正负电都不带).Neit...
A proton is an elementary particle of matter that (拥有) a positive charge.相关知识点: 试题来源: 解析 possesses 本题考查动词解题步骤:1. 分析句意:质子是带正电荷的物质的基本粒子。2. 确定答案。根据中文提示"拥有",确定单词为possess。句意为客观真理,因此应用三单形式,故本空填possesses。
An electron has a negative charge, aprotonhas a positive charge. 电子带负电荷, 质子带正电荷. 《简明英汉词典》 The hydratedprotonhas been included in the calculations as one ion. 水合质子作为一种离子包括在计算中. 辞典例句 Neutron is neutral and slightly heavier than theproton. ...
alos angeles lies to the south, or more correctly,to the southeast of san francisco 洛杉矶对南部更加正确地在或者,对旧金山东南部 [translate] athe positive charge of a proton is similar to the negative charge of an electron 氢核的正电荷于电子的负电荷是相似的 [translate] ...
The meaning of PROTON is an elementary particle that is identical with the nucleus of the hydrogen atom, that along with the neutron is a constituent of all other atomic nuclei, that carries a positive charge numerically equal to the charge of an electro
The two up quarks and one down quark of the proton are held together by the strong force, mediated by gluons. The proton has an approximately exponentially decaying positive charge distribution with a mean square radius of about 0.8 fm. 展开 关键词:...
Proton, stable subatomic particle that has a positive charge equal in magnitude to a unit of electron charge and a rest mass of 1.67262 x 10^-27 kg, which is 1,836 times the mass of an electron. Protons, together with electrically neutral particles calle