Oxygen is composed of only one kind of atom and can't be separated into simpler substances. What type of matter is it?

Can you burn copper into gold

The metric unit of force is the A. kilogram. B. gram. C. newton. D. nanometer.

an astronaut weighs 104 newtons on the moon where the strength of gravity is 1.6 newtons per kilogram what is her mass

If a ball is given an acceleration of 3.0 meters/second^2 while being pushed with a force of 0.75 newtons, what is the mass of the ball?

What are the 4 main signs of a chemical reaction?

Which causes a rainbow in the sky? a. Sunlight (white light) is refracted as it passes through different layers in the atmosphere. b. Sunlight (white light) refracts when it passes through droplets of water in the atmosphere. c.

A solenoid used to produce magnetic fields for research purposes is 2.4 m long, with an inner radius of 30 cm and 1500 turns of wire. When running, the solenoid produced a field of 1.1 T in the center.

Which statement correctly describes the nucleus of the atom? The nucleus of the atom contains the electrons. The nucleus of the atom is mostly empty space. The nucleus of the atom surrounds the center of the atom.

Inner planets that are composed mainly of rock and metal are called

A laboratory dish, 20 cm in diameter, is half filled with water. One at a time, 0.50/µL drops of oil from a micropipette are dropped onto the surface of the water, where they spread out into a uniform thin film.