01. THE ELEMENTS AND THE PERIODIC TABLEThe number of protons in the nucleus of an atom is referred to as the atomic number, or proton number, Z. The number of electrons in an electrically neutral atom is also equal to the atomic number, Z. The total mass of an atom is determined ...
#化学小知识# The number of protons in the nucleus of an atom is referred to as the atomic number, or proton number, Z. The number of electrons in an electrically neutral atom is also equal to the atomic number, Z. The total mass of an atom is determined very nearly by the total ...
-句子1:The number of protons in an atom determines its atomic number.(原子中的质子数决定了它的原子序数。) -句子2:Protons and neutrons are located in the nucleus of an atom.(质子和中子位于原子的原子核中。) -句子3:Scientists are studying the behavior of protons under extreme conditions.(科学...
The mass of an individual proton is 1.672621636(83)í–10 (-27) kg. The collective mass of the protons in the nucleus of an atom is roughly the same as the mass of all the neutrons. Of all the weight of an atom, more than 99 percent of the mass is contained in the nucleus; ther...
2 翻译一下可以吗1.An atom is made up of positive charges (protons),neutral charges (neutrons) and negative charges (electrons).The protons and neutrons are found within the nucleus of an atom,while we learnt in P08 Curious glow that the electrons are found in different energy levels about...
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...
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 neutrons andprotonsform the core of the atom. 中子和质子构成了原子核。 The nucleus of an atom consists of neutrons,protonsand other particles. 原子核由中子、质子和其他粒子构成。 Fe-only hydrogenase can catalyze the reversible reaction ofprotonsand electrons to molecular hydrogen in nature. ...
Protons are tiny subatomic particles that, along with neutrons, form the nucleus of an atom. The heavier the atom, the more protons (and neutrons) it contains. Hydrogen, which is the lightest element, has a nucleus made from a single proton. The heaviest element in the Periodic Table, ...
Neutrons andprotonsare bound together in the nucleus of an atom. 在原子核里,中子和质子是结合在一起的。 辞典例句 Each atomic cluster is made up of neutrons andprotons. 原子簇是由中子和质子构成的。 辞典例句 An atom normally contains equal numbers of electrons andprotons. ...