State the relationship between atoms and elements. Are both atoms and elements matter?

The moon's gravity is one-sixth that of the earth. What is the period of a 0.25m long pendulum on the moon?

Two cylinders A and B at the same temperature contain the same quantity of the same kind of gas. Cylinder A has three times the volume of cylinder B.

What causes diffraction that results in a fuzzy glow around a full moon

Which has the greater amount of thermal energy in iceberg or a hot cup of coffee

Catalytic ozone destruction occurs in the stratosphere by a two-step reaction:

Explain why your weight would be less in the moon than on earth even though your mass would not change. Use the law of universal gravitation in your explanation.

ions are atoms or groups of atoms that have a positive or negative charge. which of the following statements is true of ions?

1. According to the nebular theory, the solar system formed from? A. accretion of protoplanets. B. a large, thin cloud of dust and gas. C. colliding planetesimals. D. all of the above 2.

What is the difference between tangential acceleration and centripetal acceleration?

A ball rolls down a ramp. The ball has a mass of 1 kg and it has 18 joules of kinetic energy. What is the ball's speed?