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This happens because the alkali metal atom readily lose the valence electron in ammonia solution. Both the cation and the electron combine with ammonia to form ammoniated cation and ammoniated electron. The ammoniated electron is responsible for the blue color of the solution. Wd_black sn750 vs wd blue sn550
- MT finds himself in an atom. sees pairs of electrons spinning about nucleus. MT is alone at outer edgres. MT is a valence (unpaired) electron in outer orbit of a sodium (Na) atom - MT joins seven other outer electrons in a neighboring chlorine (Cl) atom, the Na atom tags along (creating a molecule of NaCl, table salt)

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Dec 25, 2020 · The energy of the EMR corresponds to the difference in energy between the electron’s higher and lower states. When an electron drops from a high to a low energy state, the size of the jump determines the frequency of the radiation emitted. Blue light, for example, indicates a larger drop in energy than red light.

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In some cases, an electron collides with another inner-shell electron of a target atom, and knocks the electron out of the atom—billiard ball style. The empty state is filled when an electron in a higher shell drops into the state (drop in energy level) and emits an X-ray photon. Figure \(\PageIndex{4}\): A sketch of an X-ray tube.

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3 as size of central atom Increases M—H bond strength decreases. Hence it act as strong reducing agent. 5. Write the reaction of thermal decomposition of sodium azide. Ans: 2 NaN 3 2 Na + 3 N 2(g) 6. Why is N 2 less reactive at room temperature? Ans: Due to its high N N bond dissociation energy 7. Why does NH 3 act as a Lewis base?

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It often happens that the atoms of some chemical elements can have an absolutely different oxidation state. The oxidation state is identical to the charge on the atoms or group of atoms. This principle is applicable both for free ions and for those which are part of the structure of chemical compounds.

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As Figure 2.11 illustrates, sodium (Na) only has one electron in its outer electron shell. It takes less energy for sodium to donate that one electron than it does to accept seven more electrons to fill the outer shell. If sodium loses an electron, it now has 11 protons, 11 neutrons, and only 10 electrons, leaving it with an overall charge of +1.

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When high-speed electrons suddenly strike a metallic surface they give up their kinetic energy to the electrons and atoms which they strike. 6. Upon reaching the plate the electron current continues to flow through the external circuit made up of the connecting wires and the battery.

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Pop Quiz #1: How many electrons are there in an atom of chlorine (abbreviated Cl)? 2. Pop Quiz #2 – NOW how many electrons are in each sodium atom? (To remind you, this is sodium’s atomic number.) 3. Pop Quiz #3 – How many electrons are in chlorine now? Chemistry of Salt 1. What is a cation and a anion? 2.

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when chlorine combines chemically with sodium, how does chlorine become more stable: by gaining an electron the atom becomes a negative ion with a total of 8 valence electrons: when a neutral atom loses an electron the atom is transformed into _____ a positive ion: a positive ion is called a _____ cation

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Atom, smallest unit into which matter can be divided without the release of electrically charged particles. It also is the smallest unit of matter that Most of the atom is empty space. The rest consists of a positively charged nucleus of protons and neutrons surrounded by a cloud of negatively charged...

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Apr 11, 2006 · Electron Affinities-400-350-300-250-200-150-100-50 0 H He Li Be C N O F Ne Na M Al Si P Si Cl Ar K Ca Ga Ge As Se Br Kr Rb Sr In Sn Sb Te In Xe Abbreviated Periodic Table kJ/mol Electron Affinity The energy associated with an atom gaining an electron →Measures ease with which an atom gains an electron H1s1 He 1s2 Li 1s2 2s1 Be 1s2 2s2 B1s2 ...

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