Which list of elements contains only metals?
a. carbon, iodine, tin
b. tin, copper, cesium
c. helium, iron, copper
d. iodine, carbon, argon

Place the elements below in order of decreasing ionization energy. aluminum(al) chlorine(cl) magnesium (mg) sulfur(s)

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates

Why dose heating increase the speed at which a solution dissolved in water