What chemical element has atomic number 35? What chemical element has atomic number 118? Which element has 27 protons? Which element has 3 protons? What chemical element has 19 electrons? What element will be more reactive with another element? Explain. ...
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
Which element has 27 protons? Which element has 3 protons? What is an atom that has a charge is called? What element has 6 protons, 8 neutrons, and six electrons? What element has 4 protons 5 neutrons and 2 electrons? What is in between the electrons and nucleus of an atom? Which el...
ICSEC - Grade 09 - CHEMISTRY - Atomic Structure And Chemical Bonding - Q23
What is the main component of the atomic mass in English? A. Protons B. Electrons C. Neutrons D. Protons and neutrons 相关知识点: 试题来源: 解析 D。本题考查原子质量的主要组成部分。质子和中子的质量较大,是原子质量的主要构成部分,电子质量很小可忽略。选项 A 仅提到质子,不全面。选项 B 电子...
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 ...
What element or ion has this core electron configuration? 1s22s22p63s23p4 Electron Configuration: Electron configuration is a systematic way of arranging the electrons of an atom which also shows the energy levels to which the electrons are in. The electron configuration shows...
element vs. compound Anelementis a substance that cannot be separated into simpler substances by chemical means. An element consists of anatomwith a unique combination ofprotons,neutrons, andelectrons. For example, the element hydrogen has one proton, one neutron, and one electron. We cannot use...
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 + (positive) and -...
Platinum has 78 protons, 78 electrons, and 117 neutrons. The number of protons in an atom is called the atomic number and it tells you what type of atom you have. An atomic number of 1 means the atom is hydrogen, atomic number 2 means helium, 3 means lithium, 4 is beryllium, and ...