Which of the isoelectronic pairs you determined above has the same electron configuration? check all that apply. Cl− and ar sc3 and ar fe2 and cr zn2 and ni sn4 and pd.

The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?

A58-kg boy swings a baseball bat, which causes a 0.140-kg baseball to move toward third base with a velocity of 38.0 m/s.

Amaterial that provides resistance to the flow of electric current is called a(an) (1 points)