C. A copper atom has 29 protons and 31 electrons, what is the overall charge of the copper atom?

Aphysical change is a change in the size, shape,, or stafe of matter true or false

Use the ratio form of kepler’s third law, = , and the data provided to determine the time it takes mars to orbit the sun. round your answer to the nearest tenth. earth’s orbital period = 1.0 earth year earth’s distance from the sun = 1.0 au mars’s distance from the sun = 1.5 au it takes mars about ⇒ 1.8 earth years to orbit the sun.

What is the main difference between the atmospheres of jupiter and neptune? a. neptune does not have hydrogen and helium. b. jupiter does not have hydrogen and helium. c. jupiter has methane clouds. d. neptune has methane clouds.