Mass Number It is the sum of neutrons and protons of an atom present in nucleus. Mass Number for two different atoms can be same. The Atomic Mass of an atom is approximately equal to its Mass Number as mass of a neutron as well of a proton is one unit on atomic mass scale.Email...
翻译：碳的原子质量是什么？
Atomic mass is a dimensionless quantity. Since the atomic number of sodium is 11, it has got 1 electron in the valence shell. Therefore, the valency of sodium is 1. The number of protons is equal to the number of electrons in sodium. But when sodium l...
An atom has a mass number of 24 and 13 neutrons. what is the atomic number of this atom? 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 t...
Each12C atom has six protons and six neutrons in its nucleus, adding up to an atomic mass of 12 AMU.Electronshave a low mass, so they are assumed to have a negligible effect. Consequently, the nucleus accounts for almost the entire mass of the atom of any element, which means that a ...
The sample of hydrogen has a mass of 1.01g,how many hydrogenatoms make up 1.01g? 2英语翻译What is the mass of one carbon atom in atomic mass unit(amu)What is the mass of one carbon atom in grams(g)What is the mass of one oxygen atom in amu?What is the mass of one oxygen ...
What is the atomic mass of an electron? Which particles in the atom of an element designate the atomic number? What makes one atom different from another atom? What is the mass, in grams, of 4.83 x 10^32 atoms of Be? What do atoms form when they share electron pairs? What subatomic...
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What is the atomic mass of titanium? Titanium Titanium is a shiny grey transition metal with atomic number 22. It is widely used in alloys for aerospace applications because it has a high strength to density ratio. It is also fairly nonreactive, which makes it suitable for applications where...
What is the mass of one oxygen atom in amu?What is the mass of one oxygen atom in gThe sample of hydrogen has a mass of 1.01 amu?How many hydrogen atom(s) equal to 1.01 amu?The sample of hydrogen has a mass of 1.01g,how many hydrogen atoms make up 1.01g? 扫码下载作业帮搜索答疑...