Which information about an atom can a period number give you?(1 point) A_ how many bonds it will make

B_ how many energy levels it has

C_ the number of valence electrons it has

D_ the ionic charge it forms

Can someone me with questions 15 to 17 plz.

Which other elements contain the same number of outer electrons as sodium

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