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
Protons and Neutrons: What Are They?Jean Louis Van Belle
An atom of an element has 10 protons. what is also true of that atom? A single atom of an element has 11 protons, 11 electrons, and 12 neutrons. Which element is it? What has 8 protons and 10 electrons? What is the ion symbol for an atom with 20 protons and 18 electrons? Which...
An atom containing 34 protons, 43 neutrons, and 34 electrons would have what symbol?选择语言:从 到 翻译结果1翻译结果2 翻译结果3翻译结果4翻译结果5 翻译结果1复制译文编辑译文朗读译文返回顶部 一个包含 34 质子、 中子 43 和 34 电子的原子会有什么符号? 翻译结果2复制译文编辑译文朗读译文返回顶部 ...
Structure of an Atom If you look inside an atom, you find tiny particles called protons, neutrons, and electrons. Atoms of each element have different numbers of these particles. Protons and electrons have electrical charges. You can think of this as being similar to a battery, which has a...
What is a reactive atom? What is the ion symbol for an atom with 20 protons and 18 electrons? What is in between the electrons and nucleus of an atom? What is a negatively charged atom called? Which element has 16 neutrons, 15 protons, and 15 electrons?
The nucleus of an atom: Each atom has a nucleus at approximately the centre of its volume consisting of the two types of particles called protons and neutrons. Protons and neutrons are known collectively as nucleons. Neutrons have no charge and protons have a charge of +1 (that is, they ...
An atom has 20 electrons and 20 neutrons. What is the mass of this atom? What is the difference between an isotope and an element? What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons? What is roentgenium's atomic mass?
An atom contains protons and neutrons in its central nucleus. In fission, the nucleus splits, either through radioactive decay or because it has been bombarded by other subatomic particles known as neutrinos. The resulting pieces have less combined mass than the original nucleus, with the missing...
of the mass of a single carbon-12 atom, at rest. The protons and neutrons of the nucleus account for nearly all of the total mass of atoms, with electrons and nuclear binding energy making minor contributions. Thus, the numeric value of the atomic mass w...