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

Um objeto de 200 kg é acelerado a 4 m/s2 sob ação de uma força F. Determine a distância deslocada pelo objeto sob ação dessa força sabendo que a energia transferida para ele foi de 9,6 kJ. a) 8 m b) 10 m c) 12 m d) 13 m e) 14 m

In a very large closed tank, the absolute pressure of the air above the water is 6.46 x 105 Pa. The water leaves the bottom of the tank through a nozzle that is directed straight upward. The opening of the nozzle is 2.

A ball sitting on the top of a table has potential energy but no kinetic energy. How do potential and kinetic energy change as the ball falls off the table to the floor? A. Its potential energy increases, and its kinetic energy decreases. B.

How does a calorie relate to a joule? a. a calorie is smaller than a joule. b. a calorie is larger than a joule. c. a calorie is the same size as a joule.

A Ping-Pong ball has a diameter of 1.99 cm and average density of 0.121 g/cm3. What force would be required to hold it completely submerged under water? The acceleration of gravity is 9.8 m/s 2. Answer in units of N.

A book of 500 leaves has a mass of 1kg if its thickness is 5cm what are the mass and thickness of each leaf

Why does a curve on a distance-time graph indicate acceleration? an increasing amount of time passes for each unit of distance a decreasing amount of time indicates a decreasing number of distance units an increasing distance is traveled during each

What would happen if you dropped two balls of different masses but equal shape and volume from a building?

A bag of sports equipment has a mass of 10.0 kilograms and a weight of

Why can't cells get any glucose directly from the small intestine?