What does the atomic number of an element tell you about the element? Structure of Atom: An atom comprises of a very tiny and dense particle called nucleus, which carries the protons and neutrons in it, while electrons are found in the orbit of suitable quantum number surrounding...
An atom has an atomic number of 8 and a mass number of 17. How many protons, neutrons, and electrons does it have? What can you determine from the atomic number of an atom? What are the atomic number and mass number of bromine-79? Find the atomic mass and mass number of an atom ...
The atomic numbers go in order on the table. While other numbers may be decimal values, the atomic number is always a simple positive whole number. For example, if you are told the element name is aluminum, you can find the name or symbol Al to determine the atomic number is 13. You ...
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...
How do determine the mass number of the element U not the atomic mass? The atomic number of an atom of an element is 17 while its mass number is 35. How many neutrons does the atom have? How do you find the atomic mass of an element?
Perhaps you are an average student with average intelligence. You work hard in your college, but you think you will never be a top student. This does not have to be the case, however. You can be an excellent student if you want to. That is to say, without additional work, even ...
The atomic number of each element, which is the number of protons in its nucleus, appears next to its symbol in the table. If the atomic number wasn't there, you could still tell how many protons were in the nucleus of a given element by counting the number of places between that ...
number of protons in the nucleus of each atom. What is the atomic number of this helium atom? A neutral atom must have equal numbers of protons and electrons, so the atomic number of an element also gives the number of electrons.
The paleontologist, though, does not have the whole film. The paleontologist has a film with some parts that are almost complete (every other frame) and others where large chunks (whole reels) are missing. The paleontologist must piece these parts together in order to find out how much of ...
When you deal with massive bodies like the Earth, however, which has a mass of 6 x 1024 kilograms (see How much does planet Earth weigh?), it adds up to a rather powerful gravitational force. That's why you're not floating around in space right now. The force of gravity acting on ...