Description 11 the ionization energies (Kl/mol) of hydrogen, nitrogen, sodium and oxygen are 1,3,1, ...

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Description 11 the ionization energies (Kl/mol) of hydrogen, nitrogen, sodium and oxygen are 1,3,1,2  1,4,402,1,681,and 1,314, respectively. Which element combination is LEAST likely NO3- NH4+ OH- NaO- 12 which of the following is a bond in which a metal transfers one or more electrons to a nonmetal covalent bond metallic bond hydrogen bond ionic bond 13 which of the following statements BEST expalins why a salt soulution conducts electricity the salt crystals remain intact and form bridges by which electric charges move the ions move freely in water and carry electric charges  the ions move freely in water but lose their charges the salt cyrstals dissolve and form bridges by which electric charges move 14 which of the following is the CORRECT name for a compound with two copper atoms and one oxygen atom copper (2) oxide copper (1) oxide copper(ll)oxide copper (l)oxide 15 in a piece of silver where would you find the valence electrons attracted to a cation shared between a caiton and anion moving freely between the cations attached to an anion 16 which of the following BEST describes bronze a mineral one containing copper and tin a copper-tin alloy an ionic compound of copper and tin a pure metal 17 in which of the following substances does sharing of electrons between two atoms occur Nal He PO4^3- Ag 18 electrostatic forces hold which of the following together K+ and Br- in KBr oxygen and hydrogenatoms in OH- Cu atoms and localized electrons in copper He atoms in helium gas 19 a salt forms in the reaction of aluminum with chlorine what is the most likely formula unit of this salt AlCl3 AlCl2 AlCl Al3Cl 20 which of the following would have a electrostaic force of attraction between them Cs+ and Li+ Na+ and Ar Cl- and O^2- Fr+ and p^3-