Atoms with the same number of protons but different numbers of neutrons are called isomers

True or False

What does the law of universal gravitation state?

Why is streak generally a more useful property than color in identifying a mineral?

How can you tell talc and corundum apart

What is the velocity of a plane that traveled 3000 miles from new york to california in 5 hours

The gravitational acceleration on the moon is about one sixth the size of the gravitational on earth. According to newton's second law of motion, what happends to an astronaut who goes to the moon

Which of the following statements about electrons is not true? A) Electrons orbit the nucleus rather like planets orbiting the Sun. B) Within an atom, an electron can have only particular energies.

In longitude waves, the medium moves parallel to the direction of energy transport

Thomsonâs experiment is credited with the discovery of which particle?

When you drop a pebble from height h, it reaches the ground with kinetic energy k if there is no air resistance. from what height should you drop it so it will reach the ground with twice as much kinetic energy?

Explain two ways that technology has had a positive impact on the environment and two ways that it has had a negative impact on the environment.