The number of protons and neutrons is known as the ___. Subatomic Particles: All elements in the periodic table are made of subatomic particles. These are protons, neutrons and electrons. The protons and neutrons are found in the centre of the atom, which makes up the atomic nucleus. Answe...
A) For subatomic particles, why is it that protons and electrons are attracted to each other but are not together in the nucleus? B) Also why are protons and neutrons found in the nucleus if they are If atoms contain charged particles, why do they not have a charge? a. They have the...
Each element is defined by the number of protons found in each of its atoms. No matter how many electrons or neutrons an atom has, the element is defined by its number of protons. In fact, it's actually possible to have an atom consisting of only a proton (ionized hydrogen). The peri...
9.They make up the neutrons and protons found inside atoms. 它们构成了原中的中质。 「BBC 听力 2022年7月合集」 10.At an atom's heart are smaller particles like protons and neutrons. 原的中心有更小的粒,如质中。 「BBC英语大破解」 11.It fires protons close to the speed of light in op...
题目 The nucleus of the atom is composed of swiftly moving protons and neutrons that are___together by very strong forces. (A) mixed (B) propelled推进(C) pounded打击(D)bound 相关知识点: 试题来源: 解析 held 反馈 收藏
Protons are ubiquitous in the universe. They are found in the nuclei of all atoms and play a crucial role in how stars shine.
Atomic Particles Atoms are made of protons, neutrons and electrons 99.999999999999% of the atom is empty space Electrons have locations desc
a positively charged elementary particle found in all atomic nuclei, the lightest and most stable of the baryons, and having a positive charge of 1.602 x 1019coulombs: the number of protons in an atom equals that element's atomic number. ...
英文词汇:molecules,nucleus,protons,neutrons,electrons一定要加S么,为什么.还是一般情况?atom呢? 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 就是单数复数啦...比如说proton就是一个质子,protons就是多个质子……氢就是one proton……在这几个词中,nucleus比较特殊.nucleus是单数,nuclei...
百度试题 结果1 题目6 An atom of element Q contains 19 electrons, 19 protons and 20 neutrons.What is Q? B A calcium B potassium C strontium D yttrium 相关知识点: 试题来源: 解析 B 反馈 收藏