Which element has a - 2 charge?

Magnesium

Sulfur

Sodium

Hydrogen

The measured value of the speed of light is about 300,000 km/s. suppose a futuristic space train is traveling at 200,000 km/s with its headlights on. if you could measure the speed of the light from the headlights, you would find it to be

Of these, which has NOT been shown to cause cancer? a. air pollution c. pollen b. smoking d. asbestos dust

Pakistan and bangladesh are two countries on the subcontinent

What is the common about the elements of a period

Discuss why human height is an exception to Mendel's principles of heredity. (idk the subject so i just put what ever)

Your family is moving to a new house. While lifting the box 1.5 m straight up you exerted a force of 200 N for 1 second. How much work is required?

Which best describes oil and water

Both the electrical force and the gravitational force between two objects share which relationship? They are directly proportional to mass. They are inversely proportional to the square of the distance. They are inversely proportional to charge.

During a baseball game, a player hits a a ball with a speed of 43m/s at an angle of 25∘ above the horizontal. When the player hit the ball, it was 1m above the ground, and after the hit, the ball flies straight toward the center field fence.

How does the electric potential energy change as the electron moves from i to f?