Search results 3797 items matching your search terms. Filter the results Item type Select All/None Collection File Folder Image Link Movie Page Question Quiz Quiz History New items since Yesterday Last week Last month Ever Sort by relevance date (newest first) alphabetically It is common to state the mass number after the name of an element to indicate a particular isotope by Dr. Osama M. Khaled — published Sep 18, 2022 — last modified Jul 03, 2025 12:29 PM Located in Chemistry / Atoms, Molecules, and Ions / Atomic Theory Metals are in the upper right corner of the periodic table by Dr. Osama M. Khaled — published Sep 17, 2022 — last modified Sep 17, 2022 11:18 PM Located in Chemistry / Atoms, Molecules, and Ions / Atomic Theory Sub-particles in the atom are arranged at random by Dr. Osama M. Khaled — published Sep 14, 2022 — last modified Sep 15, 2022 11:41 PM Located in Chemistry / Atoms, Molecules, and Ions / Atomic Theory The elements on the periodic table are listed in order of ________ atomic number by Dr. Osama M. Khaled — published Sep 16, 2022 — last modified Oct 31, 2023 09:34 PM Located in Chemistry / Atoms, Molecules, and Ions / Atomic Theory The modern atomic theory by Dr. Osama M. Khaled — published Sep 14, 2022 — last modified Sep 15, 2022 11:41 PM Located in Chemistry / Atoms, Molecules, and Ions / Atomic Theory There is an easy way to represent isotopes using the atomic symbols by Dr. Osama M. Khaled — published Sep 17, 2022 — last modified Jul 03, 2025 12:29 PM Located in Chemistry / Atoms, Molecules, and Ions / Atomic Theory What are the atomic number and the mass number of a tin atom? by Dr. Osama M. Khaled — published Sep 16, 2022 — last modified Sep 16, 2022 09:39 PM Located in Chemistry / Atoms, Molecules, and Ions / Atomic Theory What are the atomic number and the mass number of carbon atoms? by Dr. Osama M. Khaled — published Sep 16, 2022 — last modified Sep 16, 2022 08:48 PM Located in Chemistry / Atoms, Molecules, and Ions / Atomic Theory What are the number of protons and neutrons in the nucleus of an isotope of uranium? by Dr. Osama M. Khaled — published Sep 16, 2022 — last modified Sep 16, 2022 09:36 PM Located in Chemistry / Atoms, Molecules, and Ions / Atomic Theory What is the symbol for an isotope of uranium that has an atomic number of 92 and a mass number of 235? by Dr. Osama M. Khaled — published Sep 17, 2022 — last modified May 30, 2025 09:47 PM Located in Chemistry / Atoms, Molecules, and Ions / Atomic Theory < Previous 10 items 1 ... 36 37 38 39 40 41 42 ... 380 Next 10 items > Subscribe to an always-updated RSS feed.
