When a beta particle is released from a nucleus of an atom:

the number of electrons in the atom is increased

the number of protons in the nucleus is increased

the mass number of the nucleus decreases by one

the mass number of the nucleus increases by one

Subduction zones occur on earth where dense oceanic crust dives under more buoyant continental crust. these boundaries are characterized by a deep ocean trench next to a high continental mountain range, large numbers of earthquakes and volcanoes. all of this is further evidence for the a) big bang theory b) origin of the species eliminate c theory of plate tectonics d theory of natural selection 4 sedimentary rocks found high in the himalayen mountain

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

0.09 moles of sodium sulfate in 12 ml of solution