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A. The number of protons B. The number of neutrons C. The number of electrons D. The sum of protons and neutrons 相关知识点: 试题来源: 解析 A。原子序数由质子数决定。选项 A 正确,原子序数等于质子数。选项 B 中子数不能决定原子序数。选项 C 电子数在原子呈电中性时等于质子数,但不是决定原...
What changes when an ion is made from an atom?A:the number of electrons onlyB:the number of neutrons onlyC:the number of protons onlyD:the number both of protons and of neutrons 相关知识点: 试题来源: 解析 A 考查实际运用。A. 仅电子数量(变化),B. 仅中子数量(变化),C. 仅质子数量(变...
5 What is the meaning of the term nucleon number? D A the number of neutrons in the nucleus of an atom B the number of protons in the nucleus of an atom C the total number of protons and electrons in the nucleus of an atom D the total number of protons and neutrons in the nucleus...
Why does Fluorine have a valence of -1? How do you use the periodic table to identify this? What group does chlorine belong to? What is the number of neutrons in fluorine? Why is fluorine special in terms of electronegativity? How many electrons does fluorine have?
NPNumber of Pitches(baseball) NPNormandy Park(Washington) NPNeoprint NPNutrification Potential(semiconductors) NPNolle Prosequi(Latin: Not Prosecute; legal motion) NPNo Publisher NPNewPlayer(gaming) NPNew Pence(English penny) NPNo Protest
Understand the definition of halogens and know the group number of halogens in the periodic table. See examples of halogens and explore properties of halogens. Related to this Question What is the number of neutrons in fluorine? What is the atomic mass of fluorine?
The number of protons in the nucleus of the atom is equal to the atomic number(Z). The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus. Was this an...
If an atom were about as big as a baseball stadium, the nucleus would be the size of a pea in the very center and the electrons would be somewhere on the outside edge.What makes an atom of gold different from an atom of iron is the number of protons, neutrons, and electrons inside...
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