An atom of gold has an atomic number of 79 and a mass number of 197.how many protons, electrons, and neutrons does this atom have

Ahorizontal wire is tied to supports at each end and vibrates in its second-overtone standing wave. the tension in the wire is 5.00 n, and the node-to-node distance in the standing wave is 6.28 cm. (a) what is the length of the wire? (b) a point at an anti- node of the standing wave on the wire travels from its maximum upward displacement to its maximum downward displacement in 8.40 ms. what is the wire's mass?

What is the increase in density of a medium due to wave travel?

Which is a substance that can be separated by physical means and is not the same throughout