Cause and Effect. As particles collide in the nebula, the effect is__ a. a decrease in temperature
b. an increase in gravitational potential energy
c. an increase in temperature
d. an increase in volume and size of the cloux

Which element is the least metallic between cadmium, silver, zinc, or iron?

The excretory system,need answers for all: )

Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.