What two particles in an atom are equal in number

What is the median of the following numbers: 2, 5, 1, 1, 9, 1, 2

Why is chemical energy not accepted as a viable method for energy generation in the sun?

Why does the pH change when you add water to chicken soup?

If you were creating an electrical circuit and ran out of wire what materials would you use A:yarn B:licorice strings C:plastic knitting needle D:tin foil

Position of a moving body? 15. A car travels a certain distance with a speed of 50 km. p. h. and retums with a speed of 40 km. p. h. Calculate the average speed for the whole journey.

What is the relationship between the mass and period in a mass hanging on spring oscillation and why?

Saturn's moon Titan has a mass of 1.35 * 1023 kg. If Titan is 1.19 * 106 km from Saturn, and Saturn's mass is 5.86 * 1026 kg, what is the gravitational force between Saturn and its moon? 2.76 * 104 N 3.29 * 107 N 3.73 * 1021 N 4.43 * 1030 N

What has occured when bubbles form in a liquid that is being heated

What would happen to the supply of ATP in your cells if you did not eat enough carbohydrates?

According to a rule-of-thumb, every 5 seconds, between a lightning flash and the following thunder gives the distance to the flash in miles.