Iwill give brianliest! answer quickly! every element in a on the periodic table has the same number of electron shells. all of the noble gases have electrons in their outer shell. hydrogen is an example of a

Acatapult is tested by roman legionnaires. they tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units): range = 0.4 km; angle of launch = π/5 rad; landing height = launch height. what is the initial velocity of launch of the boulders if air resistance is negligible?

How do you tell if someone actually cares about you? and just say they do?

In which of the following is positive work done by a person on a suitcase