8-- A ball moves with a constant speed of 48 m/s around a circle of radius 4 m. What is the
period of the motion?(use O=3 )

These models show the electron structures of two different nonmetal elements. which element is likely more reactive, and why? element 1 is more reactive because it has fewer electron shells and is toward the top of its group on the periodic table. element 1 is more reactive because it has more electrons in its valence shell and is farther to the right on the periodic table. element 2 is more reactive because it does not have a valence shell close to the nucleus, so it will attract electrons. element 2 is more reactive because it does not have a full valence shell, so it will attract electrons.

What are igneous intrusions and extrusions

First to answer will be the brainliest i need the answer asap