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
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
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...
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
Nuclear fission is the splitting of the nucleus of an atom. Only a few elements are suitable for use in this way, the most important ones being Uranium-235, Uranium-233, and Plutonium-239. When a nucleus of one of these elements is struck by a free neutron it breaks down into two ...
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 the atom is composed of swiftly moving protons and neutrons that areheldtogether by very strong forces. A.mixed B.propelled C.pounded D.bound 你可能感兴趣的试题 单项选择题 Theories of teaching have not been asfullydeveloped as have theories of learning. ...
1. Or proton number (Z) The number of protons in the nucleus of an atom. If not electrically charged, this is equal to the number of electrons in its shells. 2. The number of protons in the nucleus of an atom. Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Di...
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