Atomic Structure
Bayani Gaba-gaba
Everything you can touch, taste, or breathe is made from atoms. Although atoms are far too small to see with the naked eye, understanding their internal structure explains why elements behave the way they do, why the Periodic Table is arranged the way it is, and how chemical reactions happen.
In this lesson you will learn what atoms and molecules are, explore the sub-atomic particles inside every atom, and discover how atomic number and mass number define an element. You will also meet isotopes and learn how to calculate relative atomic mass from isotopic abundances.
Manufura
- Know what is meant by the terms atom and molecule
- Know the structure of an atom in terms of the positions, relative masses and relative charges of sub-atomic particles
- Know what is meant by the terms atomic number, mass number, isotopes and relative atomic mass (Ar)
- Be able to calculate the relative atomic mass of an element (Ar) from isotopic abundances
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Bude taswirar tunani a cikin manhaja
Katunan tunawa
Gwaji mai sauri kan abin da ake jarraba a wannan batu.
Yi atisayen wadannan katuna a cikin manhaja
Takardar Darasi
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Nazarin Darasi
Barka da kammala darasi akan Atomic Structure. Yanzu da kuka bincika mahimman ra'ayoyi da ra'ayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.
Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.
Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.
- Which sub-atomic particle has a relative charge of -1? A) Proton B) Neutron C) Electron D) Nucleus Answer: C
- The atomic number of an element tells you the number of: A) Neutrons B) Protons C) Electrons in the outer shell D) Protons and neutrons Answer: B
- Two isotopes of the same element have the same: A) Mass number B) Number of neutrons C) Atomic number D) Relative atomic mass Answer: C
- What is the electron configuration of magnesium (atomic number 12)? A) 2, 8, 1 B) 2, 4, 6 C) 2, 8, 2 D) 8, 4 Answer: C
- The relative atomic mass of an element is 35.5. This means: A) Each atom has a mass of 35.5 B) It is the average mass of its isotopes weighted by abundance C) It has 35.5 protons D) It has 35.5 neutrons Answer: B
Yi aikin wadannan tambayoyi a cikin manhaja
Yi aikin wadannan tambayoyi a cikin manhaja
Littattafan da ake ba da shawarar karantawa
Ƙarin koyo daga tushe na buɗe
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Sashen littafi
Atomic Structure and Symbolism
Write and interpret symbols that depict the atomic number, mass number, and charge of an atom or ion
"Chemistry: Atomic Structure and Symbolism" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/chemistry/pages/2-3-atomic-structure-and-symbolism. Access for free at https://openstax.org/books/chemistry/pages/1-introduction
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Sashen littafi
Evolution of Atomic Theory
Outline milestones in the development of modern atomic theory
"Chemistry: Evolution of Atomic Theory" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/chemistry/pages/2-2-evolution-of-atomic-theory. Access for free at https://openstax.org/books/chemistry/pages/1-introduction
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