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 ______ is the smallest piece of an element that maintains the identity of that element by Dr. Osama M. Khaled — published Jun 22, 2022 — last modified May 30, 2025 09:04 PM Located in Chemistry / Atoms, Molecules, and Ions / Definitions The center of an atom that contains protons and neutrons is called _______ by Dr. Osama M. Khaled — published Sep 14, 2022 — last modified Sep 15, 2022 11:41 PM Located in Chemistry / Atoms, Molecules, and Ions / Definitions The concept that atoms play a fundamental role in chemistry is called modern _______ theory by Dr. Osama M. Khaled — published Jun 22, 2022 — last modified May 30, 2025 09:04 PM Located in Chemistry / Atoms, Molecules, and Ions / Definitions The elements are grouped together in a special chart called the _______ ________ by Dr. Osama M. Khaled — published Sep 16, 2022 — last modified Sep 16, 2022 09:52 PM Located in Chemistry / Atoms, Molecules, and Ions / Definitions The model of an atom that has the protons and neutrons in a central nucleus with the electrons in orbit about the nucleus by Dr. Osama M. Khaled — published Sep 14, 2022 — last modified Sep 15, 2022 11:41 PM Located in Chemistry / Atoms, Molecules, and Ions / Definitions A formal listing of what and how many atoms are in a molecule by Dr. Osama M. Khaled — published Aug 16, 2023 — last modified Aug 16, 2023 11:41 AM Located in Chemistry / Atoms, Molecules, and Ions / Molecules and Chemical Nomenclature A very specific system for naming compounds, in which unique substances get unique names by Dr. Osama M. Khaled — published Aug 16, 2023 — last modified Aug 17, 2023 07:41 AM Located in Chemistry / Atoms, Molecules, and Ions / Molecules and Chemical Nomenclature Give the formula for each molecule by Dr. Osama M. Khaled — published Aug 20, 2023 — last modified Jul 03, 2025 12:29 PM Located in Chemistry / Atoms, Molecules, and Ions / Molecules and Chemical Nomenclature It is assumed that there is only one atom in a formula if there is no numerical subscript on the right side of an element’s symbol. by Dr. Osama M. Khaled — published Aug 16, 2023 — last modified Aug 17, 2023 07:24 AM Located in Chemistry / Atoms, Molecules, and Ions / Molecules and Chemical Nomenclature Name each molecule by Dr. Osama M. Khaled — published Aug 20, 2023 — last modified Jul 03, 2025 12:29 PM Located in Chemistry / Atoms, Molecules, and Ions / Molecules and Chemical Nomenclature < Previous 10 items 1 ... 40 41 42 43 44 45 46 ... 380 Next 10 items > Subscribe to an always-updated RSS feed.
