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
求翻译:The nucleus of an atom consists of是什么意思?待解决 悬赏分:1 - 离问题结束还有 The nucleus of an atom consists of问题补充:匿名 2013-05-23 12:21:38 原子核由 匿名 2013-05-23 12:23:18 原子核周围的的组成 匿名 2013-05-23 12:24:58 原子的中坚力量包括 匿名 2013-05-23 12:...
The nucleus of an atom is composed of neutrons and protons. 原子核由中子和质子两种微粒构成。 Around this nucleus swirls a cloud of electrons. 在原子核外部,电子云围绕原子核旋转。 Why are theelectrons there? 为什么这里会有电子呢? They are attracted and held in place by an electromagnetic intera...
The nucleus of an atom is composed of neutrons and protons. Around this nucleus swirls a cloud of electrons. Why are the electrons there? They are attracted and held in place by an electromagnetic interaction with the nucleus. The nucleus has a net positive charge, while electrons carry a ...
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1. Chemistry The positively charged central region of an atom, composed of protons and neutrons and containing most of the mass of the atom. See more at atom. 2. Biology The structure in the cytoplasm of a living cell that contains the cell's DNA and controls its metabolism, growth, and...
百度试题 题目原子的中心,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 charged particles called protons.? andorbutfor;相关知识点: 试题来源: 解析 or
the central dense part of an atom, around which the electrons revolve in quantum orbits. The mass of the nucleus is about 4 × 103times the mass of all the electrons in the atom. The size of the nucleus is very small, 10–12–10–13cm, which is approximately 105times smaller than the...
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
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 charged particles called protons. A、and B、or C、but D、for