Define electronegativity:
a. an atoms ability to attract electrons that are shared in a chemical bond
b. an atoms ability to form a cation an atoms ability to form double and triple bonds
c. an atoms ability to form an ionic bond with another atom
d. an atoms ability to donate valence electrons to another atom

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.

Metals are good conductors of electricity because they