Web2 aug. 2024 · b. atomic number = (number of protons) = 3 (number of neutrons) = 4. mass number = (number of protons) + (number of neutrons) mass number = 3 + 4 = 7. Notice … Web2. how many protons have an atom with electron of 34 3. how many protons have an atom with electron of 34a. 35b. 36c. 33d. 34 4. When an atom has 5 electrons how many protons does this atom have; 5. if atom has 64 protons, how many electrons does this atom have? 6. If an atom has 6 electrons, how many protons does it have? 7.

#3 - Lithium - Li

WebA lithium-7 atom contains three protons, four neutrons, and three electrons. Because of its nuclear properties, lithium-7 is less common than helium, carbon, nitrogen, or oxygen in … WebThe atomic number represents the number of protons in an atom, so Lithium has 3 protons. The atomic mass is the number of protons and neutrons of an element. As … pool turned green after shocking

Lithium atom - Wikipedia

WebA lithium atom contains 3 protons in its nucleus irrespective of the number of neutrons or electrons. Notice that because the lithium atom always has 3 protons, the atomic number for lithium is always 3. The mass number, however, is 6 in the isotope with 3 neutrons, and 7 in the isotope with 4 neutrons. WebThe periodic chart shows all of the elements denoted by a 1 or 2 letter symbol. Also shown on the periodic chart is the atomic number. This is the number of protons contained in the nucleus (and ... Web10 jul. 2024 · The atomic number of lithium (Li) is 3. Therefore its atoms contain 3 protons. A neutral atom has equal numbers of protons and electrons, so a neutral Li atom also has 3 electrons. What is lithium’s atomic number? The atomic number of the element Lithium is 3 What is the atomic mass number of lithium? Atomic Mass of Lithium. shared resource credit union