PLEASE HURRY IM TIMED Atoms are made up of electrons, neutrons, and? protons
compounds
mixtures
water

Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Using data from seismic waves, geologists have learned that earth’s interior is made up of several