Scientists sometimes replace one scientific model with a different model. For example, in the early 20th Century the plum pudding model of the atom was replaced by the nuclear model of the atom.
Explain what led to the plum pudding model of the atom being replaced by the nuclear model of the atom.

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025

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

How many moles are contained in 5.6 l of h2 at stp