An atom consists of a nucleus surrounded with Z electrons, where Z is the atomic number. The chemical name of the element defines Z, since each element has a unique value of Z; Z = 1 for hydrogen (H) and Z = 2 for helium (He), etc. These Z electrons rotate around the nucleus ...
An atom consists of a central nucleus containing protons that are positively charged and neutrons with no charge, and this nucleus is surrounded by orbiting electrons which have a negative charge. The type of atom, i.e. element, is determined by the number of protons (the atomic number); fo...
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 ...
百度试题 结果1 题目The nucleus of an atom is _ of swiftly moving protons(质子)and neutrons(中子)that are bound together by very strong forces. A. consisted B. contained C. composed D. compressed相关知识点: 试题来源: 解析 C 反馈 收藏 ...
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
What does an atom consist of?Bonding:Bonding occurs between atoms. There are two types of bonding - in covalent bonding both atoms make use of the same electrons (two per bond), and in ionic bonding one atom steals electrons from another, creating positive and negative ions which are ...
这里主要取决于 the mass of这个词组里的the，虽然意思为“大量的”，但它后面的名词接的是单数形式，但如果是a mass of其后就接的是复数名词了！
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are made up of different atoms and each type of atom has the chemical characteristics of its respective element.Answer and Explanation: The nucleus of an atom is the dense core that is located at the center of the atom. The nucleus is composed of positively charged particles called......
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 lig...