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?

Isthere an outward force in circular motion

Calculate the specific heat of a metal from the following data. A container made of the metal has a mass of 3.8 kg and contains 20 kg of water. A 2.3 kg piece of the metal initially at a temperature of 165°C is dropped into the water.

WHY is it necessary that the wavelength of this solar radiation (especially in the visible range) be changed so that it can be retained as part of the greenhouse warming? What would happen if the wavelength weren't changed?

In the diagram above, a heavy box is being lifted. what is the function of the pulley

Which of these is another name for the displacement theory? Archimedes' principle Achilles' heel Artemis Fowl Bernoulli's principle

What planet has the longest period of revolution?

How does the potential energy of an object change when its height is tripled

In a plate glass factory, sheets of glass move along a conveyor belt at a speed of 15.0 cm/s. An automatic cutting tool descends at preset intervals to cut the glass to size.

The study of the evolution and the mind using principles of natural selection is evolution

Which choice best describes what our solar system contains besides the sun, eight classical planets, and their moons?