Which correctly describes a metallic bond? the interaction between a metal ion and a nonpolar molecule
the force of attraction between metal and non-metal atoms
the attraction between delocalized electrons and a crystal lattice of metal ions
the electron sharing between two different non-metal atoms

6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next

How have the greenhouse gasses increased from the year 2000 to 2018