A. the number of protons in an atom B. the number of neutrons in an atom C. the number of electrons in an atom D. the total number of particles in an atom 相关知识点: 试题来源: 解析 A。元素的原子序数告诉我们一个原子中的质子数。原子序数等于质子数,选项 B 中子数不能由原子序数确...
The atomic number of an atom is:A.the number of electronsB.the number of neutronsC.the number of protonsD.the number of protons plus the number of neutrons的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工
The atomic number (原子序数) is equal to the number of electrons per atom or, what is equivalent, the number of protons (质子) per nucleus.相关知识点: 阅读 文言文阅读 文言题类 文言文阅读——翻译 试题来源: 解析 [答案]原子序数等于每个原子的电子数或者相当于每个原子核的质子数。反馈...
The atomic number of a chemical element is the number of protons found in the nucleus of every atom of that element. The atomic number uniquely identifies a chemical element. It is identical to the charge number of the nucleus. In an uncharged atom, the ...
Describe the structure of an atom.An atom consists of a nucleus, which contains protons and neutrons, surrounded by electrons. Protons have a positive charge, neutrons have no charge, and electrons have a negative charge. The number of protons determines
An atom has a mass number of 25 and 13 neutrons. what is the atomic number of this atom? An atom has an atomic number of 12 and a mass number of 25. how many neutrons does the atom have? How can you find atomic number from mass number?
The atomic number of an atom is determined by: ___ A certain atom has an atomic mass of 19 and atomic number of 9. Using a periodic table, what element is this? If the atomic number of an element is 12 and the atomic mass is 25: a. How many protons are there in the nucleus...
The atomic number of an atom is its number on the periodic table. This number describes how many protons an atom has. This number also describes how many electrons an atom has and means the atom is electrically neutral, or has no electrical charge. Atoms can also occur as isotopes or ions...
用Quizlet學習並牢記包含The atoms of an element consist of 5 protons and 5 neutrons. Identify the element.、An atom of an element is made up of 29 protons and 35 neutrons. Identify the element.、State the names of the sub-atomic particles located in the n
(a) Determining the number of neutrons – Subtract the Atomic Number from the Mass Number (round the number) Atom - Electron Cloud Makes up about 99% of the atomic volume. A. Electrons – Negative charge (1) The arrangement of electrons determines the chemical properties of an element. (a...