The atomic number for cesium is 55, so it has 55 protons/electrons in its atom's nucleus. Cesium also includes 78 neutrons, making its atomic mass...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...
Atomic number Z represents the number of protons per atom. Mass number Z + N is equal to the number of protons Z plus the number of neutrons N present in the nuclei. Mass numbers of the most abundant isotopes are given in order of decreasing abundance. For example, Cadmium Cd-48 mass ...
The number of protons determines the element, but the number of neutrons in the atom of any one element can vary. Each variation is an isotope. A number of artificial radioactive isotopes of cesium are known also. A radioactive isotope is one that breaks apart and gives off some form ...
The number written to the right of the element's name is the mass number. The mass number represents the number of protons plus neutrons in the nucleus of an atom of the element. The number of protons determines the element, but the number of neutrons in the atom of any one element ...
In stead of a single wire when two different material wires are joined to form a by junction circuit and the junctions are maintained at different temperatures, higher potential difference is developed across the junctions. The arrangement of two different metal wires to form by junction is known...
No matter how many neutrons or electrons it has, an atom with one proton is alwaysatomic number 1and always hydrogen. An atom the contains 6 protons is by definition an atom of carbon. An atom with 55 protons is always cesium. How to Find the Atomic Number ...
The number of protons in the nucleus is called the atomic number. The atomic number of each element is unique. The combined number of protons and neutrons in an atom is called the atomic mass number. While theatomic numberalways stays the same. Some elements have atoms with different atomic...
Name an element in the fourth period (row) of the periodic table with four 4p electrons. What is the name and symbol of the element that has an atomic number of 11 and 12 neutrons? How many electrons does a neutral atom of this element have? In...
b. 53 protons, 74 neutrons. c. 2 electrons (neutral atom). List the symbols and names for two alkali metals, two noble gases, and two halogens. For given elements, write their symbol, atomic number, and group (family) number in the respective bla...
The number written to the right of the element's name is the mass number. The mass number represents the number of protons plus neutrons in the nucleus of an atom of the element. The number of protons determines the element, but the number of neutrons in the atom of any one element ...