Ionic bonding is known as a type of chemical bond where the valence electrons are lost from one atom and gained by another. This exchange results in a more from one atom and gained by another. When an atom gains or loses electrons while being bonded with another atom an ion is formed. This bond causes an atom to become either a positive or negative ion. Electrons have a negative charge‚ meaning that if an atom loses an electron‚ the amount of protons are greater than electrons. This makes the atom
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jealousy 3. Intimacy – further commitment; share social networks; quantity and quality of exchanges increase‚ talk more about the relationship Two phases of intimacy: a. interpersonal commitment – private commitments to each other b. social bonding – public commitment; you become an identifiable pair 4. Deterioration – weakening of bonds a. intRApersonal dissatisfaction b. IntERpersonal deterioration – withdraw‚ distance‚ conflict 5. Repair – change behaviors or expectations; not
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* Question 1 10 out of 10 points | | | According to VSEPR theory‚ which one of the following molecules should have a bent shape?Answer | | | | | Selected Answer: | Cl2O | | | | | * Question 2 10 out of 10 points | | | According to the VSEPR theory‚ the molecular shape of SiCl4 isAnswer | | | | | Selected Answer: | tetrahedral. | | | | | * Question 3 10 out of 10 points | | | According to the VSEPR theory‚ the shape of the SO3 molecule
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is composed of a non-metal and a metal. D) It conducts electricity when dissolved in water. E) none of the above 4. In a Lewis dot structure the electrons which complete an octet but are not located between two atoms are referred to as A) bonding pairs. B) delta minus electrons. C) excess electrons. D) filled shells. E) lone pairs. 5. In forming covalent bonds where the octet rule is obeyed‚ sulfur usually forms ________ bonds and chlorine usually forms ________ bonds. A) one; one
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necessary. • This is done by moving lone pairs from the terminal atoms in between the terminal atom and the central atom. • The formal charge can be used as a guideline for placing double bonds. 3 Formal Charges Formal charge = valence e- – (½ bonding e-) – (lone pair e-) • Formal charge is the difference between the number of valence electrons on the free atom and the number of valence electrons assigned to the atom in the molecule. – The sum of the formal charges must equal the charge on the
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B) 2 1s electrons; 4 2p electrons C) 2 1s electrons; 2 2s electrons; 2 2p electrons D) 2 1s electrons; 2 2s electrons; 4 2p electrons E) None of these choices is correct. Ans: C 3. Which of the following statements correctly describes the typical bonding of carbon‚ nitrogen‚ and oxygen in organic molecules? A) Carbon participates in 4 covalent bonds‚ oxygen participates in 2 covalent bonds and nitrogen participates in 5 covalent bonds. B) Carbon participates in 3 covalent bonds‚ oxygen participates
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Master iit academy 2nd Floor‚ Samsung Plaza‚ Near Benz Circle‚ VIJAYAWADA PHYSICAL CHEMISTRY (1) Shielding constant σ for Ne is 4.15 and the effective nuclear charge on Na+ and F- are respectively (A) 4.85 6.85 (B) 5.85 6.85 (C) 6.85 4.85 (D) 4.85 4.85 (2) Electron gain enthalpy and ionization energy of an atom are –a and +b eV respectively. The electronegativity of that atom on Mulliken scale is given by (A) a – b (B) (b – a )/2 (C) a + b (D) (a + b)/2 (3)
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Melting Point and Boiling Point of Organic Compounds Bongo‚ Sayre‚ J1 1Student‚ Organic Chemistry 1 Laboratory / B11‚ School of Chemical Engineering‚ Chemistry and Biotechnology‚ Mapúa Institute of Technology ABSTRACT The melting point of a substance is the temperature at which the material changes from a solid to a liquid state while the boiling point is the temperature at which it changes from liquid to solid. In this experiment‚ the main objectives were to determine the effects of the following
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Discuss the Role of Hydrogen Bonding in living Organisms A hydrogen bond is an intermolecular bond and is formed when a charged part of a molecule having polar covalent bonds‚ forms an electrostatic attraction with a molecule of opposite charge‚ generally with fluorine‚ oxygen and nitrogen. Molecules having non polar covalent bonds do not form hydrogen bonds. Hydrogen bonds are classified as weak bonds as they are easily and rapidly formed and broken‚ however the cumulative effects of large
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We have all...okay maybe not all‚ but many of us have been through a time in our life when you or your partner have realized it’s time to move on. It doesn’t really matter how long you have been with the person but break ups always sucks. It always seems like it is the end of the world. No matter what you do that person is in the back of your mind. Even things you see‚ smell‚ or even touch can remind you of what use to be. I can’t tell you how to get your ex completely erased out of your life but
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