Which of the following elements will lose electrons to form an ion? Check all that apply. The answer choices are P, Fe, Pb, and Se

What is avogadro’s number, and why is it useful

Select all that apply. a beta particle: is electromagnetic energy is an electron has zero charge is emitted from the nucleus has a +2 charge has a -1 charge

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space