Hydrides are compounds made up of hydrogen and metal. why ammonia has the highest boiling point among the hydrides of elements in group 15?   select one: a.  the bonds in ammonia are polarb.  the size of the nitrogen atom is the smallestc.  the ammonia molecules is the smallest among the hydrides of the elements in group 15  d.  hydrogen atoms bonded to the nitrogen atom can form hydrogen bonds

What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold

In what environment would mineral formation caused by high pressures and high temperatures most likely occur?

Is a pencil falling to the floor anon contact force, a force, or a contact force