For the same atom, with 8 protons, 9 neutrons and 10 electrons, what type of atom or
ion is it?

A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m

Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.

In which type of system is power held solely by the central government and not shared with regional governments? group of answer choices federal unitary confederate oligarchic