anow its much nicer in teh house agian 现在它好在再房子里 [translate] aThe nucleus of an atom consists of 原子的中坚力量包括 [translate] 英语翻译 日语翻译 韩语翻译 德语翻译 法语翻译 俄语翻译 阿拉伯语翻译 西班牙语翻译 葡萄牙语翻译 意大利语翻译 荷兰语翻译 瑞典语翻译 希腊语翻译 51La ...
The nucleus of an atom as composed of swiftly moving protons and neutrons that are ___ together by very strong forces. A. 国极型形况需油住车已国极型形况需油住车已combined国极型形况需油住车已国极型形况需油住车已 B. 种说种说mixed种说种说 C. 如等王达少例节每但华发如等王达少例节...
原子的中心,即原子核,包含了带正电荷的微粒,称为“质子”。The center, ___ nucleus, of an atom contains positively
百度试题 结果1 题目 The nucleus of an atom is composed of swiftly moving protons and neutrons that are___together by very strong forces. 相关知识点: 试题来源: 解析 held 反馈 收藏
The nucleus of an atom contains protons and neutrons. The nucleus carries a positive electrical charge. Electrons move around outside the nucleus. Electrons are organized into shells, which is a region where an electron is most likely found. Simple models show electrons orbiting the nuclear in a...
1 Which statement describes the structure of an atom? (3)(1)The nucleus contains positively charged electrons.(2)The nucleus contains negatively charged protons.(3)The nucleus has a positive charge and is surrounded by negatively charged electrons.(4)The nucleus has a negative charge and is sur...
百度试题 结果1 题目The nucleus of an atom is negatively charged. A. T B. F 相关知识点: 试题来源: 解析 B 反馈 收藏
百度试题 题目The nucleus of the atom is composed of swiftly moving protons and neutrons that are held together by very strong forces. A.mixedB.propelledC.poundedD.bound 相关知识点: 试题来源: 解析 D 反馈 收藏
What is the term for the total number of protons and neutrons of the nucleus of an atom? An unknown element is found to contain 45 protons and an atomic mass of 64, what is its atomic number? A. It cannot be determined. B. 19 C. 45 D. 64 ...
Describe the structure of an atom.An atom consists of a nucleus, which contains protons and neutrons, surrounded by electrons. Protons have a positive charge, neutrons have no charge, and electrons have a negative charge. The number of protons determines