F an atom has 6 valence electrons, how many electrons does it need to gain to achieve a stable electron configuration?

An example of renewable energy resource is ... A - uranium B - Wind C - natural gas

The energy output of a blender is 1.4 kWh. If the blender is 85% efficient, how much energy is lost to the surroundings? kWh

Determine the change in electric potential energy of a system of two charged objects when a - 2.1-C charged object and a - 5.0-C charged object move from an initial separation of 420 km to a final separation of 160 km

A cylinder has a length of 3.23 cm, a diameter of 1.75 cm, and a mass of 69.61 grams. (a) What is the density of the cylinder? (b) Based on its density, of what kind of material might it be made?

If there was no frictional force acting on the ball in question 2 what would happen to the player? Use inertia and Newton's 1st law to explain in complete sentences

13) The frequency of a vibrating string varies inversely as its length. A string 3 feet long vibrates 175 cycles per second. Find the frequency of a 5 foot string.

Match the following. 1. energy a push or a pull 2. mechanical energy energy of a moving object 3. kinetic energy a force directed away from an object 4. heat the ability to do work 5. work a force moving an object through a distance 6.

Scientists hypothesize that oxygen began to accumulate in earth's atmosphere of living things with the ability to?

The 3 stages of the water cycle are

What is the main natural force responsible for mass movement of rocks and debris?