Plz help Why is magnetism an example of a non-contact force?
O Magnetic fields can push or pull objects without touching the objects.
O Magnets can hold materials in place.
Magnetic fields are created by moving electrons.
Electrical fields can be attractive or repulsive.

Vi limitens. vastery test select the correct answer. which statement explains why large atoms are more reactive than small atoms? a. large atoms have valence electrons farther from the nucleus and lose them more readily. b. large atoms have greater ionization energy, which they can utilize during a reaction. c. large atoms have a greater number of electrons that they can lose during a reaction. d. large atoms have more energy levels, so they have more energy to pass on in a reaction. reset next

Who examines and coordinates the cleanup of polluted sites?

Use the de broglie's wave equation to find the wavelength of an electron moving at 4.5 × 106 m/s. show your work. note: h= plank's constant (6.62607 x 10-34 j s)