The element magnesium has 2 valence electrons. what is the most likely charge on a magnesium ion?

Consider two metallic rods mounted on insulated supports. one is neutral, the other positively charged. you bring the two rods close to each, but without contact, and briefly ground the the neutral rod by touching it with your hand. show answer correct answer what would be resulting charge (if any) on the initially neutral rod

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

If it takes a planet 2.8 x 10^8 s to orbit a star with a mass of 6.2 x 10^30 kg what is the average distance between the planet and the star