Question 20 of 31 1 Point
Which of the following best describes what happens to valence electrons in
an ionic bond?
A. Valence electrons are transferred from a nonmetal to a metal.
B. Valence electrons are shared among many atoms in a lattice.
O C. Valence electrons are transferred from a metal to a nonmetal.
D. Valence electrons are shared between two atoms.

Which type of current is produced by a wire breaking magnetic field lines and changing the polarity? a. alternating b. direct c. straight d. alternating and direct

An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. the height of the rebound bounce is measured using a scale positioned behind the ball. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.