Which of the following electron configuration represents an alkaline earth metal

[he]2s1
[ar]4s23p6
[ne]3s22p4
[ne]3s2

How many grams of n2h4 will be consumed by 23 g of n2o4

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?

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