A nickel-63 (Ni-63) nucleus decays to form a copper-63 (Cu-63) nucleus. What type of radiation is emitted during this reaction

What elements have 2 electrons inthe 4s sublevel

Kp is the equilibrium constant for dissociation of the propionic acid dimer. what is the sign of the slope for a plot of the natural logarithm of kp vs. inverse temperature for this reaction?

Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.