The two subatomic particles that make up the mass of an atom are protons and neutrons. Each of these has a mass of one AMU, or atomic mass unit...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your toug...
What makes atoms spread out around a central atom? Which force keeps electrons orbiting the nucleus: the strong or weak force? What does the electrostatic force do inside the nucleus? What makes up the nucleus of an atom? Which two fundamental forces have been resolved into one?
The 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?相关知识点: 试题来源: 解析 1个碳原子的质量用原子质量单位(amu)表示是多少? (注:原子质量单位amu就是道尔顿Da)1个...
Virtually all the mass of an atom resides in its nucleus, according toChemistry LibreTexts. The protons and neutrons that make up the nucleus are approximately the same mass (the proton is slightly less) and have the same angular momentum, or spin. The nucleus is held together by thestrong ...
Most of an atom is empty space. 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 ...
Even the atom isn't small enough to explain the workings of electricity. We need to dive down one more level and look in on the building blocks of atoms: protons, neutrons, and electrons. Building Blocks of Atoms An atom is built with a combination of three distinct particles: electrons,...
Zooming in on the fragments of the cup, we see molecules, made of atoms bound up together. A molecule is the smallest unit of any chemical compound. An atom is the smallest unit of any element in the periodic table. But the atom is not the ...
we see molecules, made of atomsbound up together.A molecule is the smallest unit of any chemical compound.An atom is the smallest unit of any element in the periodic table.But the atom is not the smallest unit of matter.Experiments found that each atom has a tiny, dense nucleus,surrounded...
The mass number of an atom is the total number of protons and neutrons contained within the nucleus of the atom. The number of protons determines the element and will always equal the atomic number of that element. The number of neutrons can change and will determine which isotope of that...
One mole of element X has 0.444 times the mass of one mole of element Y. One atom of element X has 2.96 times the mass of one atom of C12. What is the atomic mass of Y ? View Solution If an atom of an element has twice the mass of C-12 , then its atomic mass will be near...