They are attracted and held in place by an electromagnetic interaction with the nucleus. 电子通过与原子核的电磁相互作用,被吸引到了这里。 The nucleus has a net positive charge, while electrons carry a negative charge. 原子核带正电荷,而电子则带负电荷。 And opposite charges attract. 而我们知道...
The nucleus ___ a positive electrical charge which ___ of greatest importance as it determines the chemical nature of atom. A. carries… are B. carries… is C. carry… are D. carry… is 相关知识点: 试题来源: 解析 B 反馈 收藏 ...
结果1 题目 The nucleus ___ a postive electric charge which ___ of greatest important as it determines the chemical nature of atom. A. carry...is B. carries...are C. carries...is D. carry ...are 相关知识点: 试题来源: 解析 C 反馈 收藏 ...
A. It provides energy for the cell activities like mitochondria B. It is mainly in charge of the synthesis of cellulose for the cell wall C. It contains genetic material that controls the growth, development and characteristics of the plant D. It is the only place where respiration occurs in...
atomic number - the order of an element in Mendeleyev's table of the elements; equal to the number of protons in the nucleus or electrons in the neutral state of an atom of an element number - a concept of quantity involving zero and units; "every number has a unique position in the ...
This leads to Laplace's equation on a five-dimensional hypersphere in the six-dimensional Euclidean manifold. It is shown that an additional quantum number can be identified with the charge of the nucleus. The energy levels of the atom are degenerate with respect to the additional quantum ...
2. Its nucleus has a relative charge of 27+.3. It has a different number of neutrons from the atoms of other isotopes of cobalt.(A) 1, 2 & 3 are correct.(B) 1 & 2 are correct.(C) 2 & 3 are correct.(D) 1 only is correct.Q2. In which species are the numbers of ...
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The critical charge of a nucleusPopov, V S