An atom of gadolinium has an atomic number of 64 and a mass number of 154. how many electrons, protons, and neutrons does it contain?

Volume, mass, and weight can be measured with balances, scales, and?

If there is a new moon every month, where does the old one go?

What property of matter is momentum related too?

20. The change in isotopes over time due to the emission of radioactive particles is known as A. absolute-age dating. B. radioactive decay. C. half-life. D. radiometric dating.

What is the unit of strain

Which statement about how light travels is true? A Light waves need a medium to travel, and they travel at the same speed even if the light source is moving.

Explain why the car reaches a top speed even though the thrust Force remains constant at 3500N

4. A helicopter is flying at a height of 1.5km. If it has 50MJ of G. P. E., what is the mass of the helicopter?

Unless otherwise posted, what is the speed limit in a school zone? florida

If you put in 10 J of work to push 1 c of charge against and electric field what will be its voltage with respect to its starting position? when released, what will be it's kinetic energy if it flies past it's starting position?